Home / 2,729.28-4,094.19-1,085.47

Finding the Fourth Proportional to 2,729.28, 4,094.19 and 1,085.47

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Solution

The fourth proportional to 2,729.28, 4,094.19 and 1,085.47 is: 1,628.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.28 : 4,094.19 = 1,085.47 : x
  2. Step 2: Convert to fraction form
    2,729.28/4,094.19 = 1,085.47/x
  3. Step 3: Cross multiply
    2,729.28x = 4,094.19 × 1,085.47
  4. Step 4: Simplify right side
    2,729.28x = 4,444,110.18
  5. Step 5: Solve for x
    x = 4,444,110.18/2,729.28
  6. Step 6: Final answer
    x = 1,628.31

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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.