Home / 2,511.76-3,767.42-1,125.04

Finding the Fourth Proportional to 2,511.76, 3,767.42 and 1,125.04

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Solution

The fourth proportional to 2,511.76, 3,767.42 and 1,125.04 is: 1,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.76 : 3,767.42 = 1,125.04 : x
  2. Step 2: Convert to fraction form
    2,511.76/3,767.42 = 1,125.04/x
  3. Step 3: Cross multiply
    2,511.76x = 3,767.42 × 1,125.04
  4. Step 4: Simplify right side
    2,511.76x = 4,238,498.20
  5. Step 5: Solve for x
    x = 4,238,498.20/2,511.76
  6. Step 6: Final answer
    x = 1,687.46

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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.