Home / 2,656.47-3,666.92-2,281.95

Finding the Fourth Proportional to 2,656.47, 3,666.92 and 2,281.95

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Solution

The fourth proportional to 2,656.47, 3,666.92 and 2,281.95 is: 3,149.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.47 : 3,666.92 = 2,281.95 : x
  2. Step 2: Convert to fraction form
    2,656.47/3,666.92 = 2,281.95/x
  3. Step 3: Cross multiply
    2,656.47x = 3,666.92 × 2,281.95
  4. Step 4: Simplify right side
    2,656.47x = 8,367,729.52
  5. Step 5: Solve for x
    x = 8,367,729.52/2,656.47
  6. Step 6: Final answer
    x = 3,149.94

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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.