Home / 3,758.94-5,187.26-2,080.34

Finding the Fourth Proportional to 3,758.94, 5,187.26 and 2,080.34

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Solution

The fourth proportional to 3,758.94, 5,187.26 and 2,080.34 is: 2,870.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.94 : 5,187.26 = 2,080.34 : x
  2. Step 2: Convert to fraction form
    3,758.94/5,187.26 = 2,080.34/x
  3. Step 3: Cross multiply
    3,758.94x = 5,187.26 × 2,080.34
  4. Step 4: Simplify right side
    3,758.94x = 10,791,283.92
  5. Step 5: Solve for x
    x = 10,791,283.92/3,758.94
  6. Step 6: Final answer
    x = 2,870.83

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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.