Home / 3,347.38-5,046.75-3,121.53

Finding the Fourth Proportional to 3,347.38, 5,046.75 and 3,121.53

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Solution

The fourth proportional to 3,347.38, 5,046.75 and 3,121.53 is: 4,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.38 : 5,046.75 = 3,121.53 : x
  2. Step 2: Convert to fraction form
    3,347.38/5,046.75 = 3,121.53/x
  3. Step 3: Cross multiply
    3,347.38x = 5,046.75 × 3,121.53
  4. Step 4: Simplify right side
    3,347.38x = 15,753,581.53
  5. Step 5: Solve for x
    x = 15,753,581.53/3,347.38
  6. Step 6: Final answer
    x = 4,706.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.