Home / 2,749.42-4,124.29-801.69

Finding the Fourth Proportional to 2,749.42, 4,124.29 and 801.69

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Solution

The fourth proportional to 2,749.42, 4,124.29 and 801.69 is: 1,202.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.42 : 4,124.29 = 801.69 : x
  2. Step 2: Convert to fraction form
    2,749.42/4,124.29 = 801.69/x
  3. Step 3: Cross multiply
    2,749.42x = 4,124.29 × 801.69
  4. Step 4: Simplify right side
    2,749.42x = 3,306,402.05
  5. Step 5: Solve for x
    x = 3,306,402.05/2,749.42
  6. Step 6: Final answer
    x = 1,202.58

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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.