Home / 2,488.16-3,732.45-1,254.78

Finding the Fourth Proportional to 2,488.16, 3,732.45 and 1,254.78

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Solution

The fourth proportional to 2,488.16, 3,732.45 and 1,254.78 is: 1,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488.16 : 3,732.45 = 1,254.78 : x
  2. Step 2: Convert to fraction form
    2,488.16/3,732.45 = 1,254.78/x
  3. Step 3: Cross multiply
    2,488.16x = 3,732.45 × 1,254.78
  4. Step 4: Simplify right side
    2,488.16x = 4,683,403.61
  5. Step 5: Solve for x
    x = 4,683,403.61/2,488.16
  6. Step 6: Final answer
    x = 1,882.28

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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.