Home / 3,742.65-5,610.23-3,086.55

Finding the Fourth Proportional to 3,742.65, 5,610.23 and 3,086.55

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Solution

The fourth proportional to 3,742.65, 5,610.23 and 3,086.55 is: 4,626.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.65 : 5,610.23 = 3,086.55 : x
  2. Step 2: Convert to fraction form
    3,742.65/5,610.23 = 3,086.55/x
  3. Step 3: Cross multiply
    3,742.65x = 5,610.23 × 3,086.55
  4. Step 4: Simplify right side
    3,742.65x = 17,316,277.15
  5. Step 5: Solve for x
    x = 17,316,277.15/3,742.65
  6. Step 6: Final answer
    x = 4,626.74

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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.