Home / 3,083.90-4,255.76-1,757.57

Finding the Fourth Proportional to 3,083.90, 4,255.76 and 1,757.57

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Solution

The fourth proportional to 3,083.90, 4,255.76 and 1,757.57 is: 2,425.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.90 : 4,255.76 = 1,757.57 : x
  2. Step 2: Convert to fraction form
    3,083.90/4,255.76 = 1,757.57/x
  3. Step 3: Cross multiply
    3,083.90x = 4,255.76 × 1,757.57
  4. Step 4: Simplify right side
    3,083.90x = 7,479,797.95
  5. Step 5: Solve for x
    x = 7,479,797.95/3,083.90
  6. Step 6: Final answer
    x = 2,425.44

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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.