Home / 3,517.32-4,853.90-1,945.40

Finding the Fourth Proportional to 3,517.32, 4,853.90 and 1,945.40

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Solution

The fourth proportional to 3,517.32, 4,853.90 and 1,945.40 is: 2,684.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.32 : 4,853.90 = 1,945.40 : x
  2. Step 2: Convert to fraction form
    3,517.32/4,853.90 = 1,945.40/x
  3. Step 3: Cross multiply
    3,517.32x = 4,853.90 × 1,945.40
  4. Step 4: Simplify right side
    3,517.32x = 9,442,777.06
  5. Step 5: Solve for x
    x = 9,442,777.06/3,517.32
  6. Step 6: Final answer
    x = 2,684.65

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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.