Home / 2,169.10-3,248.79-1,301.62

Finding the Fourth Proportional to 2,169.10, 3,248.79 and 1,301.62

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Solution

The fourth proportional to 2,169.10, 3,248.79 and 1,301.62 is: 1,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.10 : 3,248.79 = 1,301.62 : x
  2. Step 2: Convert to fraction form
    2,169.10/3,248.79 = 1,301.62/x
  3. Step 3: Cross multiply
    2,169.10x = 3,248.79 × 1,301.62
  4. Step 4: Simplify right side
    2,169.10x = 4,228,690.04
  5. Step 5: Solve for x
    x = 4,228,690.04/2,169.10
  6. Step 6: Final answer
    x = 1,949.51

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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.