Home / 3,101.45-4,648.23-1,454.38

Finding the Fourth Proportional to 3,101.45, 4,648.23 and 1,454.38

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Solution

The fourth proportional to 3,101.45, 4,648.23 and 1,454.38 is: 2,179.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.45 : 4,648.23 = 1,454.38 : x
  2. Step 2: Convert to fraction form
    3,101.45/4,648.23 = 1,454.38/x
  3. Step 3: Cross multiply
    3,101.45x = 4,648.23 × 1,454.38
  4. Step 4: Simplify right side
    3,101.45x = 6,760,281.13
  5. Step 5: Solve for x
    x = 6,760,281.13/3,101.45
  6. Step 6: Final answer
    x = 2,179.71

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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.