Home / 2,814.44-4,221.66-1,275.88

Finding the Fourth Proportional to 2,814.44, 4,221.66 and 1,275.88

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Solution

The fourth proportional to 2,814.44, 4,221.66 and 1,275.88 is: 1,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.44 : 4,221.66 = 1,275.88 : x
  2. Step 2: Convert to fraction form
    2,814.44/4,221.66 = 1,275.88/x
  3. Step 3: Cross multiply
    2,814.44x = 4,221.66 × 1,275.88
  4. Step 4: Simplify right side
    2,814.44x = 5,386,331.56
  5. Step 5: Solve for x
    x = 5,386,331.56/2,814.44
  6. Step 6: Final answer
    x = 1,913.82

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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.