Home / 3,149.18-4,721.03-1,299.14

Finding the Fourth Proportional to 3,149.18, 4,721.03 and 1,299.14

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Solution

The fourth proportional to 3,149.18, 4,721.03 and 1,299.14 is: 1,947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.18 : 4,721.03 = 1,299.14 : x
  2. Step 2: Convert to fraction form
    3,149.18/4,721.03 = 1,299.14/x
  3. Step 3: Cross multiply
    3,149.18x = 4,721.03 × 1,299.14
  4. Step 4: Simplify right side
    3,149.18x = 6,133,278.91
  5. Step 5: Solve for x
    x = 6,133,278.91/3,149.18
  6. Step 6: Final answer
    x = 1,947.58

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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.