Home / 3,716.82-5,129.29-2,038.13

Finding the Fourth Proportional to 3,716.82, 5,129.29 and 2,038.13

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Solution

The fourth proportional to 3,716.82, 5,129.29 and 2,038.13 is: 2,812.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.82 : 5,129.29 = 2,038.13 : x
  2. Step 2: Convert to fraction form
    3,716.82/5,129.29 = 2,038.13/x
  3. Step 3: Cross multiply
    3,716.82x = 5,129.29 × 2,038.13
  4. Step 4: Simplify right side
    3,716.82x = 10,454,149.64
  5. Step 5: Solve for x
    x = 10,454,149.64/3,716.82
  6. Step 6: Final answer
    x = 2,812.66

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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.