Home / 3,716.89-5,129.29-2,038.25

Finding the Fourth Proportional to 3,716.89, 5,129.29 and 2,038.25

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Solution

The fourth proportional to 3,716.89, 5,129.29 and 2,038.25 is: 2,812.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.89 : 5,129.29 = 2,038.25 : x
  2. Step 2: Convert to fraction form
    3,716.89/5,129.29 = 2,038.25/x
  3. Step 3: Cross multiply
    3,716.89x = 5,129.29 × 2,038.25
  4. Step 4: Simplify right side
    3,716.89x = 10,454,790.71
  5. Step 5: Solve for x
    x = 10,454,790.71/3,716.89
  6. Step 6: Final answer
    x = 2,812.78

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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.