Home / 2,691.60-4,046.40-2,208.24

Finding the Fourth Proportional to 2,691.60, 4,046.40 and 2,208.24

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Solution

The fourth proportional to 2,691.60, 4,046.40 and 2,208.24 is: 3,319.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.60 : 4,046.40 = 2,208.24 : x
  2. Step 2: Convert to fraction form
    2,691.60/4,046.40 = 2,208.24/x
  3. Step 3: Cross multiply
    2,691.60x = 4,046.40 × 2,208.24
  4. Step 4: Simplify right side
    2,691.60x = 8,935,422.34
  5. Step 5: Solve for x
    x = 8,935,422.34/2,691.60
  6. Step 6: Final answer
    x = 3,319.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.