Home / 2,529.28-3,489.88-1,481.14

Finding the Fourth Proportional to 2,529.28, 3,489.88 and 1,481.14

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Solution

The fourth proportional to 2,529.28, 3,489.88 and 1,481.14 is: 2,043.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.28 : 3,489.88 = 1,481.14 : x
  2. Step 2: Convert to fraction form
    2,529.28/3,489.88 = 1,481.14/x
  3. Step 3: Cross multiply
    2,529.28x = 3,489.88 × 1,481.14
  4. Step 4: Simplify right side
    2,529.28x = 5,169,000.86
  5. Step 5: Solve for x
    x = 5,169,000.86/2,529.28
  6. Step 6: Final answer
    x = 2,043.66

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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.