Home / 1,514.49-2,272.07-540.60

Finding the Fourth Proportional to 1,514.49, 2,272.07 and 540.60

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Solution

The fourth proportional to 1,514.49, 2,272.07 and 540.60 is: 811.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.49 : 2,272.07 = 540.60 : x
  2. Step 2: Convert to fraction form
    1,514.49/2,272.07 = 540.60/x
  3. Step 3: Cross multiply
    1,514.49x = 2,272.07 × 540.60
  4. Step 4: Simplify right side
    1,514.49x = 1,228,281.04
  5. Step 5: Solve for x
    x = 1,228,281.04/1,514.49
  6. Step 6: Final answer
    x = 811.02

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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.