Home / 3,114.26-4,296.33-1,787.66

Finding the Fourth Proportional to 3,114.26, 4,296.33 and 1,787.66

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Solution

The fourth proportional to 3,114.26, 4,296.33 and 1,787.66 is: 2,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.26 : 4,296.33 = 1,787.66 : x
  2. Step 2: Convert to fraction form
    3,114.26/4,296.33 = 1,787.66/x
  3. Step 3: Cross multiply
    3,114.26x = 4,296.33 × 1,787.66
  4. Step 4: Simplify right side
    3,114.26x = 7,680,377.29
  5. Step 5: Solve for x
    x = 7,680,377.29/3,114.26
  6. Step 6: Final answer
    x = 2,466.20

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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.