Home / 3,517.64-4,854.33-1,945.70

Finding the Fourth Proportional to 3,517.64, 4,854.33 and 1,945.70

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Solution

The fourth proportional to 3,517.64, 4,854.33 and 1,945.70 is: 2,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.64 : 4,854.33 = 1,945.70 : x
  2. Step 2: Convert to fraction form
    3,517.64/4,854.33 = 1,945.70/x
  3. Step 3: Cross multiply
    3,517.64x = 4,854.33 × 1,945.70
  4. Step 4: Simplify right side
    3,517.64x = 9,445,069.88
  5. Step 5: Solve for x
    x = 9,445,069.88/3,517.64
  6. Step 6: Final answer
    x = 2,685.06

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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.