Home / 2,369.68-3,269.62-1,321.76

Finding the Fourth Proportional to 2,369.68, 3,269.62 and 1,321.76

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Solution

The fourth proportional to 2,369.68, 3,269.62 and 1,321.76 is: 1,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.68 : 3,269.62 = 1,321.76 : x
  2. Step 2: Convert to fraction form
    2,369.68/3,269.62 = 1,321.76/x
  3. Step 3: Cross multiply
    2,369.68x = 3,269.62 × 1,321.76
  4. Step 4: Simplify right side
    2,369.68x = 4,321,652.93
  5. Step 5: Solve for x
    x = 4,321,652.93/2,369.68
  6. Step 6: Final answer
    x = 1,823.73

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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.