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Finding the Fourth Proportional to 2,881.34, 4,322 and 801.34

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Solution

The fourth proportional to 2,881.34, 4,322 and 801.34 is: 1,202.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.34 : 4,322 = 801.34 : x
  2. Step 2: Convert to fraction form
    2,881.34/4,322 = 801.34/x
  3. Step 3: Cross multiply
    2,881.34x = 4,322 × 801.34
  4. Step 4: Simplify right side
    2,881.34x = 3,463,391.48
  5. Step 5: Solve for x
    x = 3,463,391.48/2,881.34
  6. Step 6: Final answer
    x = 1,202.01

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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.