Home / 3,794.56-5,691.40-1,329.20

Finding the Fourth Proportional to 3,794.56, 5,691.40 and 1,329.20

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Solution

The fourth proportional to 3,794.56, 5,691.40 and 1,329.20 is: 1,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.56 : 5,691.40 = 1,329.20 : x
  2. Step 2: Convert to fraction form
    3,794.56/5,691.40 = 1,329.20/x
  3. Step 3: Cross multiply
    3,794.56x = 5,691.40 × 1,329.20
  4. Step 4: Simplify right side
    3,794.56x = 7,565,008.88
  5. Step 5: Solve for x
    x = 7,565,008.88/3,794.56
  6. Step 6: Final answer
    x = 1,993.65

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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.