Home / 3,706.63-5,115.15-2,028.11

Finding the Fourth Proportional to 3,706.63, 5,115.15 and 2,028.11

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Solution

The fourth proportional to 3,706.63, 5,115.15 and 2,028.11 is: 2,798.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.63 : 5,115.15 = 2,028.11 : x
  2. Step 2: Convert to fraction form
    3,706.63/5,115.15 = 2,028.11/x
  3. Step 3: Cross multiply
    3,706.63x = 5,115.15 × 2,028.11
  4. Step 4: Simplify right side
    3,706.63x = 10,374,061.29
  5. Step 5: Solve for x
    x = 10,374,061.29/3,706.63
  6. Step 6: Final answer
    x = 2,798.79

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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.