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Finding the Fourth Proportional to 2,729.33, 4,093.13 and 880.03

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Solution

The fourth proportional to 2,729.33, 4,093.13 and 880.03 is: 1,319.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.33 : 4,093.13 = 880.03 : x
  2. Step 2: Convert to fraction form
    2,729.33/4,093.13 = 880.03/x
  3. Step 3: Cross multiply
    2,729.33x = 4,093.13 × 880.03
  4. Step 4: Simplify right side
    2,729.33x = 3,602,084.51
  5. Step 5: Solve for x
    x = 3,602,084.51/2,729.33
  6. Step 6: Final answer
    x = 1,319.77

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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.