Home / 2,565.18-3,844.80-1,178.66

Finding the Fourth Proportional to 2,565.18, 3,844.80 and 1,178.66

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Solution

The fourth proportional to 2,565.18, 3,844.80 and 1,178.66 is: 1,766.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.18 : 3,844.80 = 1,178.66 : x
  2. Step 2: Convert to fraction form
    2,565.18/3,844.80 = 1,178.66/x
  3. Step 3: Cross multiply
    2,565.18x = 3,844.80 × 1,178.66
  4. Step 4: Simplify right side
    2,565.18x = 4,531,711.97
  5. Step 5: Solve for x
    x = 4,531,711.97/2,565.18
  6. Step 6: Final answer
    x = 1,766.63

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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.