Home / 3,272.13-4,515.50-1,780.01

Finding the Fourth Proportional to 3,272.13, 4,515.50 and 1,780.01

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Solution

The fourth proportional to 3,272.13, 4,515.50 and 1,780.01 is: 2,456.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.13 : 4,515.50 = 1,780.01 : x
  2. Step 2: Convert to fraction form
    3,272.13/4,515.50 = 1,780.01/x
  3. Step 3: Cross multiply
    3,272.13x = 4,515.50 × 1,780.01
  4. Step 4: Simplify right side
    3,272.13x = 8,037,635.16
  5. Step 5: Solve for x
    x = 8,037,635.16/3,272.13
  6. Step 6: Final answer
    x = 2,456.39

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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.