Home / 3,207.90-4,425.48-2,265.06

Finding the Fourth Proportional to 3,207.90, 4,425.48 and 2,265.06

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Solution

The fourth proportional to 3,207.90, 4,425.48 and 2,265.06 is: 3,124.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.90 : 4,425.48 = 2,265.06 : x
  2. Step 2: Convert to fraction form
    3,207.90/4,425.48 = 2,265.06/x
  3. Step 3: Cross multiply
    3,207.90x = 4,425.48 × 2,265.06
  4. Step 4: Simplify right side
    3,207.90x = 10,023,977.73
  5. Step 5: Solve for x
    x = 10,023,977.73/3,207.90
  6. Step 6: Final answer
    x = 3,124.78

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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.