Home / 4,102.20-5,660.82-2,529.72

Finding the Fourth Proportional to 4,102.20, 5,660.82 and 2,529.72

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Solution

The fourth proportional to 4,102.20, 5,660.82 and 2,529.72 is: 3,490.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.20 : 5,660.82 = 2,529.72 : x
  2. Step 2: Convert to fraction form
    4,102.20/5,660.82 = 2,529.72/x
  3. Step 3: Cross multiply
    4,102.20x = 5,660.82 × 2,529.72
  4. Step 4: Simplify right side
    4,102.20x = 14,320,289.57
  5. Step 5: Solve for x
    x = 14,320,289.57/4,102.20
  6. Step 6: Final answer
    x = 3,490.88

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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.