Home / 3,705.82-5,559.49-1,240.66

Finding the Fourth Proportional to 3,705.82, 5,559.49 and 1,240.66

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Solution

The fourth proportional to 3,705.82, 5,559.49 and 1,240.66 is: 1,861.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.82 : 5,559.49 = 1,240.66 : x
  2. Step 2: Convert to fraction form
    3,705.82/5,559.49 = 1,240.66/x
  3. Step 3: Cross multiply
    3,705.82x = 5,559.49 × 1,240.66
  4. Step 4: Simplify right side
    3,705.82x = 6,897,436.86
  5. Step 5: Solve for x
    x = 6,897,436.86/3,705.82
  6. Step 6: Final answer
    x = 1,861.24

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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.