Home / 2,514.45-3,470.28-1,519.77

Finding the Fourth Proportional to 2,514.45, 3,470.28 and 1,519.77

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Solution

The fourth proportional to 2,514.45, 3,470.28 and 1,519.77 is: 2,097.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,514.45 : 3,470.28 = 1,519.77 : x
  2. Step 2: Convert to fraction form
    2,514.45/3,470.28 = 1,519.77/x
  3. Step 3: Cross multiply
    2,514.45x = 3,470.28 × 1,519.77
  4. Step 4: Simplify right side
    2,514.45x = 5,274,027.44
  5. Step 5: Solve for x
    x = 5,274,027.44/2,514.45
  6. Step 6: Final answer
    x = 2,097.49

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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.