Home / 3,660.96-5,051.92-2,169.02

Finding the Fourth Proportional to 3,660.96, 5,051.92 and 2,169.02

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Solution

The fourth proportional to 3,660.96, 5,051.92 and 2,169.02 is: 2,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.96 : 5,051.92 = 2,169.02 : x
  2. Step 2: Convert to fraction form
    3,660.96/5,051.92 = 2,169.02/x
  3. Step 3: Cross multiply
    3,660.96x = 5,051.92 × 2,169.02
  4. Step 4: Simplify right side
    3,660.96x = 10,957,715.52
  5. Step 5: Solve for x
    x = 10,957,715.52/3,660.96
  6. Step 6: Final answer
    x = 2,993.13

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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.