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Finding the Fourth Proportional to 2,936.76, 4,405.12 and 884.76

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Solution

The fourth proportional to 2,936.76, 4,405.12 and 884.76 is: 1,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.76 : 4,405.12 = 884.76 : x
  2. Step 2: Convert to fraction form
    2,936.76/4,405.12 = 884.76/x
  3. Step 3: Cross multiply
    2,936.76x = 4,405.12 × 884.76
  4. Step 4: Simplify right side
    2,936.76x = 3,897,473.97
  5. Step 5: Solve for x
    x = 3,897,473.97/2,936.76
  6. Step 6: Final answer
    x = 1,327.13

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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.