Home / 2,909.32-4,010.20-2,229.53

Finding the Fourth Proportional to 2,909.32, 4,010.20 and 2,229.53

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Solution

The fourth proportional to 2,909.32, 4,010.20 and 2,229.53 is: 3,073.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.32 : 4,010.20 = 2,229.53 : x
  2. Step 2: Convert to fraction form
    2,909.32/4,010.20 = 2,229.53/x
  3. Step 3: Cross multiply
    2,909.32x = 4,010.20 × 2,229.53
  4. Step 4: Simplify right side
    2,909.32x = 8,940,835.58
  5. Step 5: Solve for x
    x = 8,940,835.58/2,909.32
  6. Step 6: Final answer
    x = 3,073.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.