Home / 3,177.20-4,382.43-2,513

Finding the Fourth Proportional to 3,177.20, 4,382.43 and 2,513

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Solution

The fourth proportional to 3,177.20, 4,382.43 and 2,513 is: 3,466.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.20 : 4,382.43 = 2,513 : x
  2. Step 2: Convert to fraction form
    3,177.20/4,382.43 = 2,513/x
  3. Step 3: Cross multiply
    3,177.20x = 4,382.43 × 2,513
  4. Step 4: Simplify right side
    3,177.20x = 11,013,046.59
  5. Step 5: Solve for x
    x = 11,013,046.59/3,177.20
  6. Step 6: Final answer
    x = 3,466.27

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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.