Home / 2,909.28-4,363.95-1,177.50

Finding the Fourth Proportional to 2,909.28, 4,363.95 and 1,177.50

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Solution

The fourth proportional to 2,909.28, 4,363.95 and 1,177.50 is: 1,766.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.28 : 4,363.95 = 1,177.50 : x
  2. Step 2: Convert to fraction form
    2,909.28/4,363.95 = 1,177.50/x
  3. Step 3: Cross multiply
    2,909.28x = 4,363.95 × 1,177.50
  4. Step 4: Simplify right side
    2,909.28x = 5,138,551.13
  5. Step 5: Solve for x
    x = 5,138,551.13/2,909.28
  6. Step 6: Final answer
    x = 1,766.26

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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.