Home / 3,729.38-5,592.56-1,621.16

Finding the Fourth Proportional to 3,729.38, 5,592.56 and 1,621.16

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Solution

The fourth proportional to 3,729.38, 5,592.56 and 1,621.16 is: 2,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.38 : 5,592.56 = 1,621.16 : x
  2. Step 2: Convert to fraction form
    3,729.38/5,592.56 = 1,621.16/x
  3. Step 3: Cross multiply
    3,729.38x = 5,592.56 × 1,621.16
  4. Step 4: Simplify right side
    3,729.38x = 9,066,434.57
  5. Step 5: Solve for x
    x = 9,066,434.57/3,729.38
  6. Step 6: Final answer
    x = 2,431.08

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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.