Home / 3,540.38-4,884.30-2,281.64

Finding the Fourth Proportional to 3,540.38, 4,884.30 and 2,281.64

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Solution

The fourth proportional to 3,540.38, 4,884.30 and 2,281.64 is: 3,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.38 : 4,884.30 = 2,281.64 : x
  2. Step 2: Convert to fraction form
    3,540.38/4,884.30 = 2,281.64/x
  3. Step 3: Cross multiply
    3,540.38x = 4,884.30 × 2,281.64
  4. Step 4: Simplify right side
    3,540.38x = 11,144,189.83
  5. Step 5: Solve for x
    x = 11,144,189.83/3,540.38
  6. Step 6: Final answer
    x = 3,147.74

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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.