Home / 3,091.12-4,637.27-1,242.38

Finding the Fourth Proportional to 3,091.12, 4,637.27 and 1,242.38

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Solution

The fourth proportional to 3,091.12, 4,637.27 and 1,242.38 is: 1,863.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.12 : 4,637.27 = 1,242.38 : x
  2. Step 2: Convert to fraction form
    3,091.12/4,637.27 = 1,242.38/x
  3. Step 3: Cross multiply
    3,091.12x = 4,637.27 × 1,242.38
  4. Step 4: Simplify right side
    3,091.12x = 5,761,251.50
  5. Step 5: Solve for x
    x = 5,761,251.50/3,091.12
  6. Step 6: Final answer
    x = 1,863.81

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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.