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Finding the Fourth Proportional to 1,656.72, 2,286.38 and 1,096.22

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Solution

The fourth proportional to 1,656.72, 2,286.38 and 1,096.22 is: 1,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.72 : 2,286.38 = 1,096.22 : x
  2. Step 2: Convert to fraction form
    1,656.72/2,286.38 = 1,096.22/x
  3. Step 3: Cross multiply
    1,656.72x = 2,286.38 × 1,096.22
  4. Step 4: Simplify right side
    1,656.72x = 2,506,375.48
  5. Step 5: Solve for x
    x = 2,506,375.48/1,656.72
  6. Step 6: Final answer
    x = 1,512.85

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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.