Home / 3,758.46-5,186.73-2,079.84

Finding the Fourth Proportional to 3,758.46, 5,186.73 and 2,079.84

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Solution

The fourth proportional to 3,758.46, 5,186.73 and 2,079.84 is: 2,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.46 : 5,186.73 = 2,079.84 : x
  2. Step 2: Convert to fraction form
    3,758.46/5,186.73 = 2,079.84/x
  3. Step 3: Cross multiply
    3,758.46x = 5,186.73 × 2,079.84
  4. Step 4: Simplify right side
    3,758.46x = 10,787,568.52
  5. Step 5: Solve for x
    x = 10,787,568.52/3,758.46
  6. Step 6: Final answer
    x = 2,870.21

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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.