Home / 2,232.65-3,081.10-1,238.02

Finding the Fourth Proportional to 2,232.65, 3,081.10 and 1,238.02

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Solution

The fourth proportional to 2,232.65, 3,081.10 and 1,238.02 is: 1,708.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.65 : 3,081.10 = 1,238.02 : x
  2. Step 2: Convert to fraction form
    2,232.65/3,081.10 = 1,238.02/x
  3. Step 3: Cross multiply
    2,232.65x = 3,081.10 × 1,238.02
  4. Step 4: Simplify right side
    2,232.65x = 3,814,463.42
  5. Step 5: Solve for x
    x = 3,814,463.42/2,232.65
  6. Step 6: Final answer
    x = 1,708.49

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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.