Home / 3,331.55-4,997.88-1,383.90

Finding the Fourth Proportional to 3,331.55, 4,997.88 and 1,383.90

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Solution

The fourth proportional to 3,331.55, 4,997.88 and 1,383.90 is: 2,076.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.55 : 4,997.88 = 1,383.90 : x
  2. Step 2: Convert to fraction form
    3,331.55/4,997.88 = 1,383.90/x
  3. Step 3: Cross multiply
    3,331.55x = 4,997.88 × 1,383.90
  4. Step 4: Simplify right side
    3,331.55x = 6,916,566.13
  5. Step 5: Solve for x
    x = 6,916,566.13/3,331.55
  6. Step 6: Final answer
    x = 2,076.08

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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.