Home / 3,718.26-5,128.52-2,301.84

Finding the Fourth Proportional to 3,718.26, 5,128.52 and 2,301.84

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Solution

The fourth proportional to 3,718.26, 5,128.52 and 2,301.84 is: 3,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.26 : 5,128.52 = 2,301.84 : x
  2. Step 2: Convert to fraction form
    3,718.26/5,128.52 = 2,301.84/x
  3. Step 3: Cross multiply
    3,718.26x = 5,128.52 × 2,301.84
  4. Step 4: Simplify right side
    3,718.26x = 11,805,020.97
  5. Step 5: Solve for x
    x = 11,805,020.97/3,718.26
  6. Step 6: Final answer
    x = 3,174.88

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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.