Home / 1,823.67-2,732.40-1,197.90

Finding the Fourth Proportional to 1,823.67, 2,732.40 and 1,197.90

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Solution

The fourth proportional to 1,823.67, 2,732.40 and 1,197.90 is: 1,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.67 : 2,732.40 = 1,197.90 : x
  2. Step 2: Convert to fraction form
    1,823.67/2,732.40 = 1,197.90/x
  3. Step 3: Cross multiply
    1,823.67x = 2,732.40 × 1,197.90
  4. Step 4: Simplify right side
    1,823.67x = 3,273,141.96
  5. Step 5: Solve for x
    x = 3,273,141.96/1,823.67
  6. Step 6: Final answer
    x = 1,794.81

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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.