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Finding the Fourth Proportional to 2,728.79, 4,093.77 and 880.01

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Solution

The fourth proportional to 2,728.79, 4,093.77 and 880.01 is: 1,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.79 : 4,093.77 = 880.01 : x
  2. Step 2: Convert to fraction form
    2,728.79/4,093.77 = 880.01/x
  3. Step 3: Cross multiply
    2,728.79x = 4,093.77 × 880.01
  4. Step 4: Simplify right side
    2,728.79x = 3,602,558.54
  5. Step 5: Solve for x
    x = 3,602,558.54/2,728.79
  6. Step 6: Final answer
    x = 1,320.20

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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.