Home / 2,514.10-3,766.65-1,212.70

Finding the Fourth Proportional to 2,514.10, 3,766.65 and 1,212.70

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Solution

The fourth proportional to 2,514.10, 3,766.65 and 1,212.70 is: 1,816.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514.10 : 3,766.65 = 1,212.70 : x
  2. Step 2: Convert to fraction form
    2,514.10/3,766.65 = 1,212.70/x
  3. Step 3: Cross multiply
    2,514.10x = 3,766.65 × 1,212.70
  4. Step 4: Simplify right side
    2,514.10x = 4,567,816.46
  5. Step 5: Solve for x
    x = 4,567,816.46/2,514.10
  6. Step 6: Final answer
    x = 1,816.88

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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.