Home / 3,517.74-4,854.56-1,945.85

Finding the Fourth Proportional to 3,517.74, 4,854.56 and 1,945.85

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Solution

The fourth proportional to 3,517.74, 4,854.56 and 1,945.85 is: 2,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.74 : 4,854.56 = 1,945.85 : x
  2. Step 2: Convert to fraction form
    3,517.74/4,854.56 = 1,945.85/x
  3. Step 3: Cross multiply
    3,517.74x = 4,854.56 × 1,945.85
  4. Step 4: Simplify right side
    3,517.74x = 9,446,211.57
  5. Step 5: Solve for x
    x = 9,446,211.57/3,517.74
  6. Step 6: Final answer
    x = 2,685.31

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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.