Home / 2,317.38-3,198.05-1,269.51

Finding the Fourth Proportional to 2,317.38, 3,198.05 and 1,269.51

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Solution

The fourth proportional to 2,317.38, 3,198.05 and 1,269.51 is: 1,751.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.38 : 3,198.05 = 1,269.51 : x
  2. Step 2: Convert to fraction form
    2,317.38/3,198.05 = 1,269.51/x
  3. Step 3: Cross multiply
    2,317.38x = 3,198.05 × 1,269.51
  4. Step 4: Simplify right side
    2,317.38x = 4,059,956.46
  5. Step 5: Solve for x
    x = 4,059,956.46/2,317.38
  6. Step 6: Final answer
    x = 1,751.96

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1.5x scale

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.