Home / 2,926.85-4,391.10-1,539.86

Finding the Fourth Proportional to 2,926.85, 4,391.10 and 1,539.86

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Solution

The fourth proportional to 2,926.85, 4,391.10 and 1,539.86 is: 2,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.85 : 4,391.10 = 1,539.86 : x
  2. Step 2: Convert to fraction form
    2,926.85/4,391.10 = 1,539.86/x
  3. Step 3: Cross multiply
    2,926.85x = 4,391.10 × 1,539.86
  4. Step 4: Simplify right side
    2,926.85x = 6,761,657.29
  5. Step 5: Solve for x
    x = 6,761,657.29/2,926.85
  6. Step 6: Final answer
    x = 2,310.22

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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.