Home / 2,239.26-3,357.69-1,143.18

Finding the Fourth Proportional to 2,239.26, 3,357.69 and 1,143.18

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Solution

The fourth proportional to 2,239.26, 3,357.69 and 1,143.18 is: 1,714.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.26 : 3,357.69 = 1,143.18 : x
  2. Step 2: Convert to fraction form
    2,239.26/3,357.69 = 1,143.18/x
  3. Step 3: Cross multiply
    2,239.26x = 3,357.69 × 1,143.18
  4. Step 4: Simplify right side
    2,239.26x = 3,838,444.05
  5. Step 5: Solve for x
    x = 3,838,444.05/2,239.26
  6. Step 6: Final answer
    x = 1,714.16

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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.