Home / 3,713.43-5,121.69-2,718.35

Finding the Fourth Proportional to 3,713.43, 5,121.69 and 2,718.35

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Solution

The fourth proportional to 3,713.43, 5,121.69 and 2,718.35 is: 3,749.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.43 : 5,121.69 = 2,718.35 : x
  2. Step 2: Convert to fraction form
    3,713.43/5,121.69 = 2,718.35/x
  3. Step 3: Cross multiply
    3,713.43x = 5,121.69 × 2,718.35
  4. Step 4: Simplify right side
    3,713.43x = 13,922,546.01
  5. Step 5: Solve for x
    x = 13,922,546.01/3,713.43
  6. Step 6: Final answer
    x = 3,749.24

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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.