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Finding the Fourth Proportional to 3,944.12, 5,920.02 and 1,754.28

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Solution

The fourth proportional to 3,944.12, 5,920.02 and 1,754.28 is: 2,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.12 : 5,920.02 = 1,754.28 : x
  2. Step 2: Convert to fraction form
    3,944.12/5,920.02 = 1,754.28/x
  3. Step 3: Cross multiply
    3,944.12x = 5,920.02 × 1,754.28
  4. Step 4: Simplify right side
    3,944.12x = 10,385,372.69
  5. Step 5: Solve for x
    x = 10,385,372.69/3,944.12
  6. Step 6: Final answer
    x = 2,633.13

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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.