Home / 3,344.32-4,615.68-1,908.69

Finding the Fourth Proportional to 3,344.32, 4,615.68 and 1,908.69

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Solution

The fourth proportional to 3,344.32, 4,615.68 and 1,908.69 is: 2,634.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344.32 : 4,615.68 = 1,908.69 : x
  2. Step 2: Convert to fraction form
    3,344.32/4,615.68 = 1,908.69/x
  3. Step 3: Cross multiply
    3,344.32x = 4,615.68 × 1,908.69
  4. Step 4: Simplify right side
    3,344.32x = 8,809,902.26
  5. Step 5: Solve for x
    x = 8,809,902.26/3,344.32
  6. Step 6: Final answer
    x = 2,634.29

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Half scale
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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.