Home / 3,660.88-5,052.32-2,169.12

Finding the Fourth Proportional to 3,660.88, 5,052.32 and 2,169.12

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Solution

The fourth proportional to 3,660.88, 5,052.32 and 2,169.12 is: 2,993.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.88 : 5,052.32 = 2,169.12 : x
  2. Step 2: Convert to fraction form
    3,660.88/5,052.32 = 2,169.12/x
  3. Step 3: Cross multiply
    3,660.88x = 5,052.32 × 2,169.12
  4. Step 4: Simplify right side
    3,660.88x = 10,959,088.36
  5. Step 5: Solve for x
    x = 10,959,088.36/3,660.88
  6. Step 6: Final answer
    x = 2,993.57

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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.