Home / 3,347.80-5,020.25-1,787.47

Finding the Fourth Proportional to 3,347.80, 5,020.25 and 1,787.47

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Solution

The fourth proportional to 3,347.80, 5,020.25 and 1,787.47 is: 2,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.80 : 5,020.25 = 1,787.47 : x
  2. Step 2: Convert to fraction form
    3,347.80/5,020.25 = 1,787.47/x
  3. Step 3: Cross multiply
    3,347.80x = 5,020.25 × 1,787.47
  4. Step 4: Simplify right side
    3,347.80x = 8,973,524.78
  5. Step 5: Solve for x
    x = 8,973,524.78/3,347.80
  6. Step 6: Final answer
    x = 2,680.43

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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.