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Finding the Fourth Proportional to 1,840.30, 2,737.94 and 1,769.02

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Solution

The fourth proportional to 1,840.30, 2,737.94 and 1,769.02 is: 2,631.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.30 : 2,737.94 = 1,769.02 : x
  2. Step 2: Convert to fraction form
    1,840.30/2,737.94 = 1,769.02/x
  3. Step 3: Cross multiply
    1,840.30x = 2,737.94 × 1,769.02
  4. Step 4: Simplify right side
    1,840.30x = 4,843,470.62
  5. Step 5: Solve for x
    x = 4,843,470.62/1,840.30
  6. Step 6: Final answer
    x = 2,631.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.