Home / 2,814.59-4,221.61-1,253.16

Finding the Fourth Proportional to 2,814.59, 4,221.61 and 1,253.16

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Solution

The fourth proportional to 2,814.59, 4,221.61 and 1,253.16 is: 1,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.59 : 4,221.61 = 1,253.16 : x
  2. Step 2: Convert to fraction form
    2,814.59/4,221.61 = 1,253.16/x
  3. Step 3: Cross multiply
    2,814.59x = 4,221.61 × 1,253.16
  4. Step 4: Simplify right side
    2,814.59x = 5,290,349.65
  5. Step 5: Solve for x
    x = 5,290,349.65/2,814.59
  6. Step 6: Final answer
    x = 1,879.61

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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.