Home / 2,650.22-3,658.67-1,867.76

Finding the Fourth Proportional to 2,650.22, 3,658.67 and 1,867.76

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Solution

The fourth proportional to 2,650.22, 3,658.67 and 1,867.76 is: 2,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.22 : 3,658.67 = 1,867.76 : x
  2. Step 2: Convert to fraction form
    2,650.22/3,658.67 = 1,867.76/x
  3. Step 3: Cross multiply
    2,650.22x = 3,658.67 × 1,867.76
  4. Step 4: Simplify right side
    2,650.22x = 6,833,489.85
  5. Step 5: Solve for x
    x = 6,833,489.85/2,650.22
  6. Step 6: Final answer
    x = 2,578.47

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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.