Home / 2,531.06-3,796.38-1,125.91

Finding the Fourth Proportional to 2,531.06, 3,796.38 and 1,125.91

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Solution

The fourth proportional to 2,531.06, 3,796.38 and 1,125.91 is: 1,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.06 : 3,796.38 = 1,125.91 : x
  2. Step 2: Convert to fraction form
    2,531.06/3,796.38 = 1,125.91/x
  3. Step 3: Cross multiply
    2,531.06x = 3,796.38 × 1,125.91
  4. Step 4: Simplify right side
    2,531.06x = 4,274,382.21
  5. Step 5: Solve for x
    x = 4,274,382.21/2,531.06
  6. Step 6: Final answer
    x = 1,688.77

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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.