Home / 2,316.85-3,197.13-1,372.73

Finding the Fourth Proportional to 2,316.85, 3,197.13 and 1,372.73

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Solution

The fourth proportional to 2,316.85, 3,197.13 and 1,372.73 is: 1,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.85 : 3,197.13 = 1,372.73 : x
  2. Step 2: Convert to fraction form
    2,316.85/3,197.13 = 1,372.73/x
  3. Step 3: Cross multiply
    2,316.85x = 3,197.13 × 1,372.73
  4. Step 4: Simplify right side
    2,316.85x = 4,388,790.55
  5. Step 5: Solve for x
    x = 4,388,790.55/2,316.85
  6. Step 6: Final answer
    x = 1,894.29

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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.