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Finding the Fourth Proportional to 2,737.89, 4,107.38 and 790.11

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Solution

The fourth proportional to 2,737.89, 4,107.38 and 790.11 is: 1,185.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.89 : 4,107.38 = 790.11 : x
  2. Step 2: Convert to fraction form
    2,737.89/4,107.38 = 790.11/x
  3. Step 3: Cross multiply
    2,737.89x = 4,107.38 × 790.11
  4. Step 4: Simplify right side
    2,737.89x = 3,245,278.06
  5. Step 5: Solve for x
    x = 3,245,278.06/2,737.89
  6. Step 6: Final answer
    x = 1,185.32

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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.