Home / 2,232.79-3,081.36-1,238.07

Finding the Fourth Proportional to 2,232.79, 3,081.36 and 1,238.07

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Solution

The fourth proportional to 2,232.79, 3,081.36 and 1,238.07 is: 1,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.79 : 3,081.36 = 1,238.07 : x
  2. Step 2: Convert to fraction form
    2,232.79/3,081.36 = 1,238.07/x
  3. Step 3: Cross multiply
    2,232.79x = 3,081.36 × 1,238.07
  4. Step 4: Simplify right side
    2,232.79x = 3,814,937.05
  5. Step 5: Solve for x
    x = 3,814,937.05/2,232.79
  6. Step 6: Final answer
    x = 1,708.60

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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.