Home / 3,938.72-5,908.08-1,017.04

Finding the Fourth Proportional to 3,938.72, 5,908.08 and 1,017.04

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Solution

The fourth proportional to 3,938.72, 5,908.08 and 1,017.04 is: 1,525.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.72 : 5,908.08 = 1,017.04 : x
  2. Step 2: Convert to fraction form
    3,938.72/5,908.08 = 1,017.04/x
  3. Step 3: Cross multiply
    3,938.72x = 5,908.08 × 1,017.04
  4. Step 4: Simplify right side
    3,938.72x = 6,008,753.68
  5. Step 5: Solve for x
    x = 6,008,753.68/3,938.72
  6. Step 6: Final answer
    x = 1,525.56

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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.