Home / 4,257.28-5,875.50-2,685.88

Finding the Fourth Proportional to 4,257.28, 5,875.50 and 2,685.88

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Solution

The fourth proportional to 4,257.28, 5,875.50 and 2,685.88 is: 3,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.28 : 5,875.50 = 2,685.88 : x
  2. Step 2: Convert to fraction form
    4,257.28/5,875.50 = 2,685.88/x
  3. Step 3: Cross multiply
    4,257.28x = 5,875.50 × 2,685.88
  4. Step 4: Simplify right side
    4,257.28x = 15,780,887.94
  5. Step 5: Solve for x
    x = 15,780,887.94/4,257.28
  6. Step 6: Final answer
    x = 3,706.80

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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.