Home / 2,766.13-4,139.45-1,726.62

Finding the Fourth Proportional to 2,766.13, 4,139.45 and 1,726.62

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Solution

The fourth proportional to 2,766.13, 4,139.45 and 1,726.62 is: 2,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.13 : 4,139.45 = 1,726.62 : x
  2. Step 2: Convert to fraction form
    2,766.13/4,139.45 = 1,726.62/x
  3. Step 3: Cross multiply
    2,766.13x = 4,139.45 × 1,726.62
  4. Step 4: Simplify right side
    2,766.13x = 7,147,248.53
  5. Step 5: Solve for x
    x = 7,147,248.53/2,766.13
  6. Step 6: Final answer
    x = 2,583.85

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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.