Home / 3,826.44-5,280.74-2,125.04

Finding the Fourth Proportional to 3,826.44, 5,280.74 and 2,125.04

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Solution

The fourth proportional to 3,826.44, 5,280.74 and 2,125.04 is: 2,932.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.44 : 5,280.74 = 2,125.04 : x
  2. Step 2: Convert to fraction form
    3,826.44/5,280.74 = 2,125.04/x
  3. Step 3: Cross multiply
    3,826.44x = 5,280.74 × 2,125.04
  4. Step 4: Simplify right side
    3,826.44x = 11,221,766.62
  5. Step 5: Solve for x
    x = 11,221,766.62/3,826.44
  6. Step 6: Final answer
    x = 2,932.69

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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.