Home / 2,737.22-3,778.38-1,618.55

Finding the Fourth Proportional to 2,737.22, 3,778.38 and 1,618.55

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Solution

The fourth proportional to 2,737.22, 3,778.38 and 1,618.55 is: 2,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.22 : 3,778.38 = 1,618.55 : x
  2. Step 2: Convert to fraction form
    2,737.22/3,778.38 = 1,618.55/x
  3. Step 3: Cross multiply
    2,737.22x = 3,778.38 × 1,618.55
  4. Step 4: Simplify right side
    2,737.22x = 6,115,507.02
  5. Step 5: Solve for x
    x = 6,115,507.02/2,737.22
  6. Step 6: Final answer
    x = 2,234.20

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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.