Home / 3,517.08-4,853.56-1,945.18

Finding the Fourth Proportional to 3,517.08, 4,853.56 and 1,945.18

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Solution

The fourth proportional to 3,517.08, 4,853.56 and 1,945.18 is: 2,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.08 : 4,853.56 = 1,945.18 : x
  2. Step 2: Convert to fraction form
    3,517.08/4,853.56 = 1,945.18/x
  3. Step 3: Cross multiply
    3,517.08x = 4,853.56 × 1,945.18
  4. Step 4: Simplify right side
    3,517.08x = 9,441,047.84
  5. Step 5: Solve for x
    x = 9,441,047.84/3,517.08
  6. Step 6: Final answer
    x = 2,684.34

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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.