Home / 4,122.88-5,689.92-2,529.52

Finding the Fourth Proportional to 4,122.88, 5,689.92 and 2,529.52

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Solution

The fourth proportional to 4,122.88, 5,689.92 and 2,529.52 is: 3,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.88 : 5,689.92 = 2,529.52 : x
  2. Step 2: Convert to fraction form
    4,122.88/5,689.92 = 2,529.52/x
  3. Step 3: Cross multiply
    4,122.88x = 5,689.92 × 2,529.52
  4. Step 4: Simplify right side
    4,122.88x = 14,392,766.44
  5. Step 5: Solve for x
    x = 14,392,766.44/4,122.88
  6. Step 6: Final answer
    x = 3,490.95

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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.