Home / 2,239.17-3,354.14-1,311.91

Finding the Fourth Proportional to 2,239.17, 3,354.14 and 1,311.91

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Solution

The fourth proportional to 2,239.17, 3,354.14 and 1,311.91 is: 1,965.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.17 : 3,354.14 = 1,311.91 : x
  2. Step 2: Convert to fraction form
    2,239.17/3,354.14 = 1,311.91/x
  3. Step 3: Cross multiply
    2,239.17x = 3,354.14 × 1,311.91
  4. Step 4: Simplify right side
    2,239.17x = 4,400,327.44
  5. Step 5: Solve for x
    x = 4,400,327.44/2,239.17
  6. Step 6: Final answer
    x = 1,965.16

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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.