Home / 3,344.16-4,615.20-1,947.12

Finding the Fourth Proportional to 3,344.16, 4,615.20 and 1,947.12

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Solution

The fourth proportional to 3,344.16, 4,615.20 and 1,947.12 is: 2,687.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344.16 : 4,615.20 = 1,947.12 : x
  2. Step 2: Convert to fraction form
    3,344.16/4,615.20 = 1,947.12/x
  3. Step 3: Cross multiply
    3,344.16x = 4,615.20 × 1,947.12
  4. Step 4: Simplify right side
    3,344.16x = 8,986,348.22
  5. Step 5: Solve for x
    x = 8,986,348.22/3,344.16
  6. Step 6: Final answer
    x = 2,687.18

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Half scale
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Double scale
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Similar ratio
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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.