Home / 3,267.78-4,508.40-2,089.52

Finding the Fourth Proportional to 3,267.78, 4,508.40 and 2,089.52

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Solution

The fourth proportional to 3,267.78, 4,508.40 and 2,089.52 is: 2,882.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.78 : 4,508.40 = 2,089.52 : x
  2. Step 2: Convert to fraction form
    3,267.78/4,508.40 = 2,089.52/x
  3. Step 3: Cross multiply
    3,267.78x = 4,508.40 × 2,089.52
  4. Step 4: Simplify right side
    3,267.78x = 9,420,391.97
  5. Step 5: Solve for x
    x = 9,420,391.97/3,267.78
  6. Step 6: Final answer
    x = 2,882.81

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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.