Home / 3,744.05-5,616.68-1,146.38

Finding the Fourth Proportional to 3,744.05, 5,616.68 and 1,146.38

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Solution

The fourth proportional to 3,744.05, 5,616.68 and 1,146.38 is: 1,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.05 : 5,616.68 = 1,146.38 : x
  2. Step 2: Convert to fraction form
    3,744.05/5,616.68 = 1,146.38/x
  3. Step 3: Cross multiply
    3,744.05x = 5,616.68 × 1,146.38
  4. Step 4: Simplify right side
    3,744.05x = 6,438,815.80
  5. Step 5: Solve for x
    x = 6,438,815.80/3,744.05
  6. Step 6: Final answer
    x = 1,719.75

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1.5x scale

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.