Home / 3,180.52-4,394.82-2,487.16

Finding the Fourth Proportional to 3,180.52, 4,394.82 and 2,487.16

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Solution

The fourth proportional to 3,180.52, 4,394.82 and 2,487.16 is: 3,436.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.52 : 4,394.82 = 2,487.16 : x
  2. Step 2: Convert to fraction form
    3,180.52/4,394.82 = 2,487.16/x
  3. Step 3: Cross multiply
    3,180.52x = 4,394.82 × 2,487.16
  4. Step 4: Simplify right side
    3,180.52x = 10,930,620.51
  5. Step 5: Solve for x
    x = 10,930,620.51/3,180.52
  6. Step 6: Final answer
    x = 3,436.74

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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.