Home / 2,232.91-3,081.28-1,238.13

Finding the Fourth Proportional to 2,232.91, 3,081.28 and 1,238.13

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Solution

The fourth proportional to 2,232.91, 3,081.28 and 1,238.13 is: 1,708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.91 : 3,081.28 = 1,238.13 : x
  2. Step 2: Convert to fraction form
    2,232.91/3,081.28 = 1,238.13/x
  3. Step 3: Cross multiply
    2,232.91x = 3,081.28 × 1,238.13
  4. Step 4: Simplify right side
    2,232.91x = 3,815,025.21
  5. Step 5: Solve for x
    x = 3,815,025.21/2,232.91
  6. Step 6: Final answer
    x = 1,708.54

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1.5x scale

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.