Home / 3,826.94-5,281.11-2,148.35

Finding the Fourth Proportional to 3,826.94, 5,281.11 and 2,148.35

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Solution

The fourth proportional to 3,826.94, 5,281.11 and 2,148.35 is: 2,964.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.94 : 5,281.11 = 2,148.35 : x
  2. Step 2: Convert to fraction form
    3,826.94/5,281.11 = 2,148.35/x
  3. Step 3: Cross multiply
    3,826.94x = 5,281.11 × 2,148.35
  4. Step 4: Simplify right side
    3,826.94x = 11,345,672.67
  5. Step 5: Solve for x
    x = 11,345,672.67/3,826.94
  6. Step 6: Final answer
    x = 2,964.69

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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.