Home / 3,758.60-5,186.93-2,079.97

Finding the Fourth Proportional to 3,758.60, 5,186.93 and 2,079.97

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Solution

The fourth proportional to 3,758.60, 5,186.93 and 2,079.97 is: 2,870.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.60 : 5,186.93 = 2,079.97 : x
  2. Step 2: Convert to fraction form
    3,758.60/5,186.93 = 2,079.97/x
  3. Step 3: Cross multiply
    3,758.60x = 5,186.93 × 2,079.97
  4. Step 4: Simplify right side
    3,758.60x = 10,788,635.42
  5. Step 5: Solve for x
    x = 10,788,635.42/3,758.60
  6. Step 6: Final answer
    x = 2,870.38

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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.