Home / 2,654.02-3,979.67-1,191.92

Finding the Fourth Proportional to 2,654.02, 3,979.67 and 1,191.92

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Solution

The fourth proportional to 2,654.02, 3,979.67 and 1,191.92 is: 1,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.02 : 3,979.67 = 1,191.92 : x
  2. Step 2: Convert to fraction form
    2,654.02/3,979.67 = 1,191.92/x
  3. Step 3: Cross multiply
    2,654.02x = 3,979.67 × 1,191.92
  4. Step 4: Simplify right side
    2,654.02x = 4,743,448.27
  5. Step 5: Solve for x
    x = 4,743,448.27/2,654.02
  6. Step 6: Final answer
    x = 1,787.27

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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.