Home / 3,848.71-5,311.24-2,080.33

Finding the Fourth Proportional to 3,848.71, 5,311.24 and 2,080.33

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Solution

The fourth proportional to 3,848.71, 5,311.24 and 2,080.33 is: 2,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.71 : 5,311.24 = 2,080.33 : x
  2. Step 2: Convert to fraction form
    3,848.71/5,311.24 = 2,080.33/x
  3. Step 3: Cross multiply
    3,848.71x = 5,311.24 × 2,080.33
  4. Step 4: Simplify right side
    3,848.71x = 11,049,121.51
  5. Step 5: Solve for x
    x = 11,049,121.51/3,848.71
  6. Step 6: Final answer
    x = 2,870.86

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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.