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Finding the Fourth Proportional to 3,998.16, 5,997.11 and 1,401.03

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Solution

The fourth proportional to 3,998.16, 5,997.11 and 1,401.03 is: 2,101.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.16 : 5,997.11 = 1,401.03 : x
  2. Step 2: Convert to fraction form
    3,998.16/5,997.11 = 1,401.03/x
  3. Step 3: Cross multiply
    3,998.16x = 5,997.11 × 1,401.03
  4. Step 4: Simplify right side
    3,998.16x = 8,402,124.02
  5. Step 5: Solve for x
    x = 8,402,124.02/3,998.16
  6. Step 6: Final answer
    x = 2,101.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,999.16, 5,998.60 and 1,402.03
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.