Home / 2,176.32-3,003.20-1,244.88

Finding the Fourth Proportional to 2,176.32, 3,003.20 and 1,244.88

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Solution

The fourth proportional to 2,176.32, 3,003.20 and 1,244.88 is: 1,717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.32 : 3,003.20 = 1,244.88 : x
  2. Step 2: Convert to fraction form
    2,176.32/3,003.20 = 1,244.88/x
  3. Step 3: Cross multiply
    2,176.32x = 3,003.20 × 1,244.88
  4. Step 4: Simplify right side
    2,176.32x = 3,738,623.62
  5. Step 5: Solve for x
    x = 3,738,623.62/2,176.32
  6. Step 6: Final answer
    x = 1,717.86

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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.