Home / 2,749.87-4,125.39-801.91

Finding the Fourth Proportional to 2,749.87, 4,125.39 and 801.91

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Solution

The fourth proportional to 2,749.87, 4,125.39 and 801.91 is: 1,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.87 : 4,125.39 = 801.91 : x
  2. Step 2: Convert to fraction form
    2,749.87/4,125.39 = 801.91/x
  3. Step 3: Cross multiply
    2,749.87x = 4,125.39 × 801.91
  4. Step 4: Simplify right side
    2,749.87x = 3,308,191.49
  5. Step 5: Solve for x
    x = 3,308,191.49/2,749.87
  6. Step 6: Final answer
    x = 1,203.04

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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.