Home / 2,645.12-3,967.80-2,182.04

Finding the Fourth Proportional to 2,645.12, 3,967.80 and 2,182.04

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Solution

The fourth proportional to 2,645.12, 3,967.80 and 2,182.04 is: 3,273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.12 : 3,967.80 = 2,182.04 : x
  2. Step 2: Convert to fraction form
    2,645.12/3,967.80 = 2,182.04/x
  3. Step 3: Cross multiply
    2,645.12x = 3,967.80 × 2,182.04
  4. Step 4: Simplify right side
    2,645.12x = 8,657,885.91
  5. Step 5: Solve for x
    x = 8,657,885.91/2,645.12
  6. Step 6: Final answer
    x = 3,273.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.