Home / 3,758.03-5,186.45-2,079.56

Finding the Fourth Proportional to 3,758.03, 5,186.45 and 2,079.56

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Solution

The fourth proportional to 3,758.03, 5,186.45 and 2,079.56 is: 2,869.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.03 : 5,186.45 = 2,079.56 : x
  2. Step 2: Convert to fraction form
    3,758.03/5,186.45 = 2,079.56/x
  3. Step 3: Cross multiply
    3,758.03x = 5,186.45 × 2,079.56
  4. Step 4: Simplify right side
    3,758.03x = 10,785,497.63
  5. Step 5: Solve for x
    x = 10,785,497.63/3,758.03
  6. Step 6: Final answer
    x = 2,869.99

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1.5x scale

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.