Home / 2,240.52-3,357.12-1,143.39

Finding the Fourth Proportional to 2,240.52, 3,357.12 and 1,143.39

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Solution

The fourth proportional to 2,240.52, 3,357.12 and 1,143.39 is: 1,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.52 : 3,357.12 = 1,143.39 : x
  2. Step 2: Convert to fraction form
    2,240.52/3,357.12 = 1,143.39/x
  3. Step 3: Cross multiply
    2,240.52x = 3,357.12 × 1,143.39
  4. Step 4: Simplify right side
    2,240.52x = 3,838,497.44
  5. Step 5: Solve for x
    x = 3,838,497.44/2,240.52
  6. Step 6: Final answer
    x = 1,713.22

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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.