Home / 3,272.39-4,515.95-1,780.33

Finding the Fourth Proportional to 3,272.39, 4,515.95 and 1,780.33

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Solution

The fourth proportional to 3,272.39, 4,515.95 and 1,780.33 is: 2,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.39 : 4,515.95 = 1,780.33 : x
  2. Step 2: Convert to fraction form
    3,272.39/4,515.95 = 1,780.33/x
  3. Step 3: Cross multiply
    3,272.39x = 4,515.95 × 1,780.33
  4. Step 4: Simplify right side
    3,272.39x = 8,039,881.26
  5. Step 5: Solve for x
    x = 8,039,881.26/3,272.39
  6. Step 6: Final answer
    x = 2,456.88

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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.