Home / 3,279.18-4,525.31-1,787.09

Finding the Fourth Proportional to 3,279.18, 4,525.31 and 1,787.09

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Solution

The fourth proportional to 3,279.18, 4,525.31 and 1,787.09 is: 2,466.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.18 : 4,525.31 = 1,787.09 : x
  2. Step 2: Convert to fraction form
    3,279.18/4,525.31 = 1,787.09/x
  3. Step 3: Cross multiply
    3,279.18x = 4,525.31 × 1,787.09
  4. Step 4: Simplify right side
    3,279.18x = 8,087,136.25
  5. Step 5: Solve for x
    x = 8,087,136.25/3,279.18
  6. Step 6: Final answer
    x = 2,466.21

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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.