Home / 3,826.33-5,280.74-2,148.19

Finding the Fourth Proportional to 3,826.33, 5,280.74 and 2,148.19

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Solution

The fourth proportional to 3,826.33, 5,280.74 and 2,148.19 is: 2,964.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.33 : 5,280.74 = 2,148.19 : x
  2. Step 2: Convert to fraction form
    3,826.33/5,280.74 = 2,148.19/x
  3. Step 3: Cross multiply
    3,826.33x = 5,280.74 × 2,148.19
  4. Step 4: Simplify right side
    3,826.33x = 11,344,032.86
  5. Step 5: Solve for x
    x = 11,344,032.86/3,826.33
  6. Step 6: Final answer
    x = 2,964.73

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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.