Home / 3,272.14-4,515.42-1,780.03

Finding the Fourth Proportional to 3,272.14, 4,515.42 and 1,780.03

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Solution

The fourth proportional to 3,272.14, 4,515.42 and 1,780.03 is: 2,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.14 : 4,515.42 = 1,780.03 : x
  2. Step 2: Convert to fraction form
    3,272.14/4,515.42 = 1,780.03/x
  3. Step 3: Cross multiply
    3,272.14x = 4,515.42 × 1,780.03
  4. Step 4: Simplify right side
    3,272.14x = 8,037,583.06
  5. Step 5: Solve for x
    x = 8,037,583.06/3,272.14
  6. Step 6: Final answer
    x = 2,456.37

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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.