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Finding the Fourth Proportional to 2,797.72, 4,193.46 and 1,152.76

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Solution

The fourth proportional to 2,797.72, 4,193.46 and 1,152.76 is: 1,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.72 : 4,193.46 = 1,152.76 : x
  2. Step 2: Convert to fraction form
    2,797.72/4,193.46 = 1,152.76/x
  3. Step 3: Cross multiply
    2,797.72x = 4,193.46 × 1,152.76
  4. Step 4: Simplify right side
    2,797.72x = 4,834,052.95
  5. Step 5: Solve for x
    x = 4,834,052.95/2,797.72
  6. Step 6: Final answer
    x = 1,727.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.