Home / 2,239.39-3,359.43-1,143.16

Finding the Fourth Proportional to 2,239.39, 3,359.43 and 1,143.16

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Solution

The fourth proportional to 2,239.39, 3,359.43 and 1,143.16 is: 1,714.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.39 : 3,359.43 = 1,143.16 : x
  2. Step 2: Convert to fraction form
    2,239.39/3,359.43 = 1,143.16/x
  3. Step 3: Cross multiply
    2,239.39x = 3,359.43 × 1,143.16
  4. Step 4: Simplify right side
    2,239.39x = 3,840,366.00
  5. Step 5: Solve for x
    x = 3,840,366.00/2,239.39
  6. Step 6: Final answer
    x = 1,714.92

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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.