Home / 2,148.53-3,224.07-849.96

Finding the Fourth Proportional to 2,148.53, 3,224.07 and 849.96

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Solution

The fourth proportional to 2,148.53, 3,224.07 and 849.96 is: 1,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.53 : 3,224.07 = 849.96 : x
  2. Step 2: Convert to fraction form
    2,148.53/3,224.07 = 849.96/x
  3. Step 3: Cross multiply
    2,148.53x = 3,224.07 × 849.96
  4. Step 4: Simplify right side
    2,148.53x = 2,740,330.54
  5. Step 5: Solve for x
    x = 2,740,330.54/2,148.53
  6. Step 6: Final answer
    x = 1,275.45

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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.