Home / 1,932.46-2,898.90-615.90

Finding the Fourth Proportional to 1,932.46, 2,898.90 and 615.90

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Solution

The fourth proportional to 1,932.46, 2,898.90 and 615.90 is: 923.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.46 : 2,898.90 = 615.90 : x
  2. Step 2: Convert to fraction form
    1,932.46/2,898.90 = 615.90/x
  3. Step 3: Cross multiply
    1,932.46x = 2,898.90 × 615.90
  4. Step 4: Simplify right side
    1,932.46x = 1,785,430.20
  5. Step 5: Solve for x
    x = 1,785,430.20/1,932.46
  6. Step 6: Final answer
    x = 923.92

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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.