Home / 2,487.68-3,726.65-1,169.70

Finding the Fourth Proportional to 2,487.68, 3,726.65 and 1,169.70

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Solution

The fourth proportional to 2,487.68, 3,726.65 and 1,169.70 is: 1,752.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.68 : 3,726.65 = 1,169.70 : x
  2. Step 2: Convert to fraction form
    2,487.68/3,726.65 = 1,169.70/x
  3. Step 3: Cross multiply
    2,487.68x = 3,726.65 × 1,169.70
  4. Step 4: Simplify right side
    2,487.68x = 4,359,056.66
  5. Step 5: Solve for x
    x = 4,359,056.66/2,487.68
  6. Step 6: Final answer
    x = 1,752.26

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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.