Home / 3,742.79-5,614.11-1,145.66

Finding the Fourth Proportional to 3,742.79, 5,614.11 and 1,145.66

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Solution

The fourth proportional to 3,742.79, 5,614.11 and 1,145.66 is: 1,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.79 : 5,614.11 = 1,145.66 : x
  2. Step 2: Convert to fraction form
    3,742.79/5,614.11 = 1,145.66/x
  3. Step 3: Cross multiply
    3,742.79x = 5,614.11 × 1,145.66
  4. Step 4: Simplify right side
    3,742.79x = 6,431,833.19
  5. Step 5: Solve for x
    x = 6,431,833.19/3,742.79
  6. Step 6: Final answer
    x = 1,718.46

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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.