Home / 2,764.24-4,146.67-1,009.78

Finding the Fourth Proportional to 2,764.24, 4,146.67 and 1,009.78

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Solution

The fourth proportional to 2,764.24, 4,146.67 and 1,009.78 is: 1,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.24 : 4,146.67 = 1,009.78 : x
  2. Step 2: Convert to fraction form
    2,764.24/4,146.67 = 1,009.78/x
  3. Step 3: Cross multiply
    2,764.24x = 4,146.67 × 1,009.78
  4. Step 4: Simplify right side
    2,764.24x = 4,187,224.43
  5. Step 5: Solve for x
    x = 4,187,224.43/2,764.24
  6. Step 6: Final answer
    x = 1,514.78

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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.