Home / 3,957.52-5,462.08-2,385.76

Finding the Fourth Proportional to 3,957.52, 5,462.08 and 2,385.76

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Solution

The fourth proportional to 3,957.52, 5,462.08 and 2,385.76 is: 3,292.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.52 : 5,462.08 = 2,385.76 : x
  2. Step 2: Convert to fraction form
    3,957.52/5,462.08 = 2,385.76/x
  3. Step 3: Cross multiply
    3,957.52x = 5,462.08 × 2,385.76
  4. Step 4: Simplify right side
    3,957.52x = 13,031,211.98
  5. Step 5: Solve for x
    x = 13,031,211.98/3,957.52
  6. Step 6: Final answer
    x = 3,292.77

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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.