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Finding the Fourth Proportional to 1,962.97, 2,944.45 and 730.69

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Solution

The fourth proportional to 1,962.97, 2,944.45 and 730.69 is: 1,096.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.97 : 2,944.45 = 730.69 : x
  2. Step 2: Convert to fraction form
    1,962.97/2,944.45 = 730.69/x
  3. Step 3: Cross multiply
    1,962.97x = 2,944.45 × 730.69
  4. Step 4: Simplify right side
    1,962.97x = 2,151,473.72
  5. Step 5: Solve for x
    x = 2,151,473.72/1,962.97
  6. Step 6: Final answer
    x = 1,096.03

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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.