Home / 2,624.70-3,934.62-1,324.66

Finding the Fourth Proportional to 2,624.70, 3,934.62 and 1,324.66

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Solution

The fourth proportional to 2,624.70, 3,934.62 and 1,324.66 is: 1,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.70 : 3,934.62 = 1,324.66 : x
  2. Step 2: Convert to fraction form
    2,624.70/3,934.62 = 1,324.66/x
  3. Step 3: Cross multiply
    2,624.70x = 3,934.62 × 1,324.66
  4. Step 4: Simplify right side
    2,624.70x = 5,212,033.73
  5. Step 5: Solve for x
    x = 5,212,033.73/2,624.70
  6. Step 6: Final answer
    x = 1,985.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.