Home / 2,176.28-3,003.40-1,244.76

Finding the Fourth Proportional to 2,176.28, 3,003.40 and 1,244.76

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Solution

The fourth proportional to 2,176.28, 3,003.40 and 1,244.76 is: 1,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.28 : 3,003.40 = 1,244.76 : x
  2. Step 2: Convert to fraction form
    2,176.28/3,003.40 = 1,244.76/x
  3. Step 3: Cross multiply
    2,176.28x = 3,003.40 × 1,244.76
  4. Step 4: Simplify right side
    2,176.28x = 3,738,512.18
  5. Step 5: Solve for x
    x = 3,738,512.18/2,176.28
  6. Step 6: Final answer
    x = 1,717.85

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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.