Home / 2,487.46-3,731.74-1,254.38

Finding the Fourth Proportional to 2,487.46, 3,731.74 and 1,254.38

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Solution

The fourth proportional to 2,487.46, 3,731.74 and 1,254.38 is: 1,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.46 : 3,731.74 = 1,254.38 : x
  2. Step 2: Convert to fraction form
    2,487.46/3,731.74 = 1,254.38/x
  3. Step 3: Cross multiply
    2,487.46x = 3,731.74 × 1,254.38
  4. Step 4: Simplify right side
    2,487.46x = 4,681,020.02
  5. Step 5: Solve for x
    x = 4,681,020.02/2,487.46
  6. Step 6: Final answer
    x = 1,881.85

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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.