Home / 2,514.78-3,470.22-1,519.74

Finding the Fourth Proportional to 2,514.78, 3,470.22 and 1,519.74

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Solution

The fourth proportional to 2,514.78, 3,470.22 and 1,519.74 is: 2,097.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514.78 : 3,470.22 = 1,519.74 : x
  2. Step 2: Convert to fraction form
    2,514.78/3,470.22 = 1,519.74/x
  3. Step 3: Cross multiply
    2,514.78x = 3,470.22 × 1,519.74
  4. Step 4: Simplify right side
    2,514.78x = 5,273,832.14
  5. Step 5: Solve for x
    x = 5,273,832.14/2,514.78
  6. Step 6: Final answer
    x = 2,097.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.