Home / 3,826.24-5,280.30-2,147.56

Finding the Fourth Proportional to 3,826.24, 5,280.30 and 2,147.56

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Solution

The fourth proportional to 3,826.24, 5,280.30 and 2,147.56 is: 2,963.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.24 : 5,280.30 = 2,147.56 : x
  2. Step 2: Convert to fraction form
    3,826.24/5,280.30 = 2,147.56/x
  3. Step 3: Cross multiply
    3,826.24x = 5,280.30 × 2,147.56
  4. Step 4: Simplify right side
    3,826.24x = 11,339,761.07
  5. Step 5: Solve for x
    x = 11,339,761.07/3,826.24
  6. Step 6: Final answer
    x = 2,963.68

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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.