Home / 1,514.43-2,276.91-1,323.27

Finding the Fourth Proportional to 1,514.43, 2,276.91 and 1,323.27

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Solution

The fourth proportional to 1,514.43, 2,276.91 and 1,323.27 is: 1,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.43 : 2,276.91 = 1,323.27 : x
  2. Step 2: Convert to fraction form
    1,514.43/2,276.91 = 1,323.27/x
  3. Step 3: Cross multiply
    1,514.43x = 2,276.91 × 1,323.27
  4. Step 4: Simplify right side
    1,514.43x = 3,012,966.70
  5. Step 5: Solve for x
    x = 3,012,966.70/1,514.43
  6. Step 6: Final answer
    x = 1,989.51

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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.