Home / 3,974.31-5,484.60-2,205.87

Finding the Fourth Proportional to 3,974.31, 5,484.60 and 2,205.87

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Solution

The fourth proportional to 3,974.31, 5,484.60 and 2,205.87 is: 3,044.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.31 : 5,484.60 = 2,205.87 : x
  2. Step 2: Convert to fraction form
    3,974.31/5,484.60 = 2,205.87/x
  3. Step 3: Cross multiply
    3,974.31x = 5,484.60 × 2,205.87
  4. Step 4: Simplify right side
    3,974.31x = 12,098,314.60
  5. Step 5: Solve for x
    x = 12,098,314.60/3,974.31
  6. Step 6: Final answer
    x = 3,044.13

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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.