Home / 3,258.52-4,876.42-2,666.68

Finding the Fourth Proportional to 3,258.52, 4,876.42 and 2,666.68

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Solution

The fourth proportional to 3,258.52, 4,876.42 and 2,666.68 is: 3,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.52 : 4,876.42 = 2,666.68 : x
  2. Step 2: Convert to fraction form
    3,258.52/4,876.42 = 2,666.68/x
  3. Step 3: Cross multiply
    3,258.52x = 4,876.42 × 2,666.68
  4. Step 4: Simplify right side
    3,258.52x = 13,003,851.69
  5. Step 5: Solve for x
    x = 13,003,851.69/3,258.52
  6. Step 6: Final answer
    x = 3,990.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.