Home / 3,706.89-5,561.19-1,109.88

Finding the Fourth Proportional to 3,706.89, 5,561.19 and 1,109.88

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Solution

The fourth proportional to 3,706.89, 5,561.19 and 1,109.88 is: 1,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.89 : 5,561.19 = 1,109.88 : x
  2. Step 2: Convert to fraction form
    3,706.89/5,561.19 = 1,109.88/x
  3. Step 3: Cross multiply
    3,706.89x = 5,561.19 × 1,109.88
  4. Step 4: Simplify right side
    3,706.89x = 6,172,253.56
  5. Step 5: Solve for x
    x = 6,172,253.56/3,706.89
  6. Step 6: Final answer
    x = 1,665.08

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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.