Home / 2,197.96-3,294.03-1,317.62

Finding the Fourth Proportional to 2,197.96, 3,294.03 and 1,317.62

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Solution

The fourth proportional to 2,197.96, 3,294.03 and 1,317.62 is: 1,974.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.96 : 3,294.03 = 1,317.62 : x
  2. Step 2: Convert to fraction form
    2,197.96/3,294.03 = 1,317.62/x
  3. Step 3: Cross multiply
    2,197.96x = 3,294.03 × 1,317.62
  4. Step 4: Simplify right side
    2,197.96x = 4,340,279.81
  5. Step 5: Solve for x
    x = 4,340,279.81/2,197.96
  6. Step 6: Final answer
    x = 1,974.69

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1.5x scale

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.