Home / 1,248.31-1,874.69-1,184.52

Finding the Fourth Proportional to 1,248.31, 1,874.69 and 1,184.52

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Solution

The fourth proportional to 1,248.31, 1,874.69 and 1,184.52 is: 1,778.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248.31 : 1,874.69 = 1,184.52 : x
  2. Step 2: Convert to fraction form
    1,248.31/1,874.69 = 1,184.52/x
  3. Step 3: Cross multiply
    1,248.31x = 1,874.69 × 1,184.52
  4. Step 4: Simplify right side
    1,248.31x = 2,220,607.80
  5. Step 5: Solve for x
    x = 2,220,607.80/1,248.31
  6. Step 6: Final answer
    x = 1,778.89

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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.