Home / 3,558.21-5,337.30-1,998.23

Finding the Fourth Proportional to 3,558.21, 5,337.30 and 1,998.23

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Solution

The fourth proportional to 3,558.21, 5,337.30 and 1,998.23 is: 2,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.21 : 5,337.30 = 1,998.23 : x
  2. Step 2: Convert to fraction form
    3,558.21/5,337.30 = 1,998.23/x
  3. Step 3: Cross multiply
    3,558.21x = 5,337.30 × 1,998.23
  4. Step 4: Simplify right side
    3,558.21x = 10,665,126.29
  5. Step 5: Solve for x
    x = 10,665,126.29/3,558.21
  6. Step 6: Final answer
    x = 2,997.33

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,559.21, 5,338.80 and 1,999.23
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.