Home / 2,175.13-3,263.82-1,079.47

Finding the Fourth Proportional to 2,175.13, 3,263.82 and 1,079.47

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Solution

The fourth proportional to 2,175.13, 3,263.82 and 1,079.47 is: 1,619.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.13 : 3,263.82 = 1,079.47 : x
  2. Step 2: Convert to fraction form
    2,175.13/3,263.82 = 1,079.47/x
  3. Step 3: Cross multiply
    2,175.13x = 3,263.82 × 1,079.47
  4. Step 4: Simplify right side
    2,175.13x = 3,523,195.78
  5. Step 5: Solve for x
    x = 3,523,195.78/2,175.13
  6. Step 6: Final answer
    x = 1,619.76

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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.