Home / 3,638.61-5,018.87-2,502.73

Finding the Fourth Proportional to 3,638.61, 5,018.87 and 2,502.73

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Solution

The fourth proportional to 3,638.61, 5,018.87 and 2,502.73 is: 3,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.61 : 5,018.87 = 2,502.73 : x
  2. Step 2: Convert to fraction form
    3,638.61/5,018.87 = 2,502.73/x
  3. Step 3: Cross multiply
    3,638.61x = 5,018.87 × 2,502.73
  4. Step 4: Simplify right side
    3,638.61x = 12,560,876.52
  5. Step 5: Solve for x
    x = 12,560,876.52/3,638.61
  6. Step 6: Final answer
    x = 3,452.11

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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.