Home / 3,216.20-4,432.88-2,654.87

Finding the Fourth Proportional to 3,216.20, 4,432.88 and 2,654.87

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Solution

The fourth proportional to 3,216.20, 4,432.88 and 2,654.87 is: 3,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.20 : 4,432.88 = 2,654.87 : x
  2. Step 2: Convert to fraction form
    3,216.20/4,432.88 = 2,654.87/x
  3. Step 3: Cross multiply
    3,216.20x = 4,432.88 × 2,654.87
  4. Step 4: Simplify right side
    3,216.20x = 11,768,684.69
  5. Step 5: Solve for x
    x = 11,768,684.69/3,216.20
  6. Step 6: Final answer
    x = 3,659.20

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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.