Home / 3,803.38-5,248.66-2,147.38

Finding the Fourth Proportional to 3,803.38, 5,248.66 and 2,147.38

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Solution

The fourth proportional to 3,803.38, 5,248.66 and 2,147.38 is: 2,963.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.38 : 5,248.66 = 2,147.38 : x
  2. Step 2: Convert to fraction form
    3,803.38/5,248.66 = 2,147.38/x
  3. Step 3: Cross multiply
    3,803.38x = 5,248.66 × 2,147.38
  4. Step 4: Simplify right side
    3,803.38x = 11,270,867.51
  5. Step 5: Solve for x
    x = 11,270,867.51/3,803.38
  6. Step 6: Final answer
    x = 2,963.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.