Home / 4,221.76-5,825.04-2,542.72

Finding the Fourth Proportional to 4,221.76, 5,825.04 and 2,542.72

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Solution

The fourth proportional to 4,221.76, 5,825.04 and 2,542.72 is: 3,508.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.76 : 5,825.04 = 2,542.72 : x
  2. Step 2: Convert to fraction form
    4,221.76/5,825.04 = 2,542.72/x
  3. Step 3: Cross multiply
    4,221.76x = 5,825.04 × 2,542.72
  4. Step 4: Simplify right side
    4,221.76x = 14,811,445.71
  5. Step 5: Solve for x
    x = 14,811,445.71/4,221.76
  6. Step 6: Final answer
    x = 3,508.36

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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.