Home / 3,742.28-5,614.24-1,145.42

Finding the Fourth Proportional to 3,742.28, 5,614.24 and 1,145.42

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Solution

The fourth proportional to 3,742.28, 5,614.24 and 1,145.42 is: 1,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.28 : 5,614.24 = 1,145.42 : x
  2. Step 2: Convert to fraction form
    3,742.28/5,614.24 = 1,145.42/x
  3. Step 3: Cross multiply
    3,742.28x = 5,614.24 × 1,145.42
  4. Step 4: Simplify right side
    3,742.28x = 6,430,662.78
  5. Step 5: Solve for x
    x = 6,430,662.78/3,742.28
  6. Step 6: Final answer
    x = 1,718.38

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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.