Home / 1,540.76-2,279.72-1,536.44

Finding the Fourth Proportional to 1,540.76, 2,279.72 and 1,536.44

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Solution

The fourth proportional to 1,540.76, 2,279.72 and 1,536.44 is: 2,273.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540.76 : 2,279.72 = 1,536.44 : x
  2. Step 2: Convert to fraction form
    1,540.76/2,279.72 = 1,536.44/x
  3. Step 3: Cross multiply
    1,540.76x = 2,279.72 × 1,536.44
  4. Step 4: Simplify right side
    1,540.76x = 3,502,653.00
  5. Step 5: Solve for x
    x = 3,502,653.00/1,540.76
  6. Step 6: Final answer
    x = 2,273.33

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.