Home / 4,115.22-5,677.40-2,622.88

Finding the Fourth Proportional to 4,115.22, 5,677.40 and 2,622.88

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Solution

The fourth proportional to 4,115.22, 5,677.40 and 2,622.88 is: 3,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.22 : 5,677.40 = 2,622.88 : x
  2. Step 2: Convert to fraction form
    4,115.22/5,677.40 = 2,622.88/x
  3. Step 3: Cross multiply
    4,115.22x = 5,677.40 × 2,622.88
  4. Step 4: Simplify right side
    4,115.22x = 14,891,138.91
  5. Step 5: Solve for x
    x = 14,891,138.91/4,115.22
  6. Step 6: Final answer
    x = 3,618.55

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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.