Home / 3,540.12-4,882.52-2,281.28

Finding the Fourth Proportional to 3,540.12, 4,882.52 and 2,281.28

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Solution

The fourth proportional to 3,540.12, 4,882.52 and 2,281.28 is: 3,146.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.12 : 4,882.52 = 2,281.28 : x
  2. Step 2: Convert to fraction form
    3,540.12/4,882.52 = 2,281.28/x
  3. Step 3: Cross multiply
    3,540.12x = 4,882.52 × 2,281.28
  4. Step 4: Simplify right side
    3,540.12x = 11,138,395.23
  5. Step 5: Solve for x
    x = 11,138,395.23/3,540.12
  6. Step 6: Final answer
    x = 3,146.33

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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.