Home / 2,749.35-4,124.30-801.57

Finding the Fourth Proportional to 2,749.35, 4,124.30 and 801.57

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Solution

The fourth proportional to 2,749.35, 4,124.30 and 801.57 is: 1,202.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.35 : 4,124.30 = 801.57 : x
  2. Step 2: Convert to fraction form
    2,749.35/4,124.30 = 801.57/x
  3. Step 3: Cross multiply
    2,749.35x = 4,124.30 × 801.57
  4. Step 4: Simplify right side
    2,749.35x = 3,305,911.14
  5. Step 5: Solve for x
    x = 3,305,911.14/2,749.35
  6. Step 6: Final answer
    x = 1,202.43

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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.