Home / 3,931.52-5,892.40-1,955.02

Finding the Fourth Proportional to 3,931.52, 5,892.40 and 1,955.02

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Solution

The fourth proportional to 3,931.52, 5,892.40 and 1,955.02 is: 2,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.52 : 5,892.40 = 1,955.02 : x
  2. Step 2: Convert to fraction form
    3,931.52/5,892.40 = 1,955.02/x
  3. Step 3: Cross multiply
    3,931.52x = 5,892.40 × 1,955.02
  4. Step 4: Simplify right side
    3,931.52x = 11,519,759.85
  5. Step 5: Solve for x
    x = 11,519,759.85/3,931.52
  6. Step 6: Final answer
    x = 2,930.10

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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.