Home / 2,960.01-4,080.24-2,121.66

Finding the Fourth Proportional to 2,960.01, 4,080.24 and 2,121.66

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Solution

The fourth proportional to 2,960.01, 4,080.24 and 2,121.66 is: 2,924.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.01 : 4,080.24 = 2,121.66 : x
  2. Step 2: Convert to fraction form
    2,960.01/4,080.24 = 2,121.66/x
  3. Step 3: Cross multiply
    2,960.01x = 4,080.24 × 2,121.66
  4. Step 4: Simplify right side
    2,960.01x = 8,656,882.00
  5. Step 5: Solve for x
    x = 8,656,882.00/2,960.01
  6. Step 6: Final answer
    x = 2,924.61

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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.