Home / 3,114.26-4,297.66-1,787.97

Finding the Fourth Proportional to 3,114.26, 4,297.66 and 1,787.97

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Solution

The fourth proportional to 3,114.26, 4,297.66 and 1,787.97 is: 2,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.26 : 4,297.66 = 1,787.97 : x
  2. Step 2: Convert to fraction form
    3,114.26/4,297.66 = 1,787.97/x
  3. Step 3: Cross multiply
    3,114.26x = 4,297.66 × 1,787.97
  4. Step 4: Simplify right side
    3,114.26x = 7,684,098.80
  5. Step 5: Solve for x
    x = 7,684,098.80/3,114.26
  6. Step 6: Final answer
    x = 2,467.39

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1.5x scale

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.