Home / 4,124.28-5,691.49-2,235.91

Finding the Fourth Proportional to 4,124.28, 5,691.49 and 2,235.91

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Solution

The fourth proportional to 4,124.28, 5,691.49 and 2,235.91 is: 3,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.28 : 5,691.49 = 2,235.91 : x
  2. Step 2: Convert to fraction form
    4,124.28/5,691.49 = 2,235.91/x
  3. Step 3: Cross multiply
    4,124.28x = 5,691.49 × 2,235.91
  4. Step 4: Simplify right side
    4,124.28x = 12,725,659.41
  5. Step 5: Solve for x
    x = 12,725,659.41/4,124.28
  6. Step 6: Final answer
    x = 3,085.55

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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.