Home / 3,826.28-5,280.30-2,233.01

Finding the Fourth Proportional to 3,826.28, 5,280.30 and 2,233.01

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Solution

The fourth proportional to 3,826.28, 5,280.30 and 2,233.01 is: 3,081.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.28 : 5,280.30 = 2,233.01 : x
  2. Step 2: Convert to fraction form
    3,826.28/5,280.30 = 2,233.01/x
  3. Step 3: Cross multiply
    3,826.28x = 5,280.30 × 2,233.01
  4. Step 4: Simplify right side
    3,826.28x = 11,790,936.30
  5. Step 5: Solve for x
    x = 11,790,936.30/3,826.28
  6. Step 6: Final answer
    x = 3,081.57

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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.