Home / 3,117.32-4,301.89-1,791.11

Finding the Fourth Proportional to 3,117.32, 4,301.89 and 1,791.11

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Solution

The fourth proportional to 3,117.32, 4,301.89 and 1,791.11 is: 2,471.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.32 : 4,301.89 = 1,791.11 : x
  2. Step 2: Convert to fraction form
    3,117.32/4,301.89 = 1,791.11/x
  3. Step 3: Cross multiply
    3,117.32x = 4,301.89 × 1,791.11
  4. Step 4: Simplify right side
    3,117.32x = 7,705,158.20
  5. Step 5: Solve for x
    x = 7,705,158.20/3,117.32
  6. Step 6: Final answer
    x = 2,471.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.