Home / 2,654.79-3,664.60-2,280.26

Finding the Fourth Proportional to 2,654.79, 3,664.60 and 2,280.26

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Solution

The fourth proportional to 2,654.79, 3,664.60 and 2,280.26 is: 3,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.79 : 3,664.60 = 2,280.26 : x
  2. Step 2: Convert to fraction form
    2,654.79/3,664.60 = 2,280.26/x
  3. Step 3: Cross multiply
    2,654.79x = 3,664.60 × 2,280.26
  4. Step 4: Simplify right side
    2,654.79x = 8,356,244.26
  5. Step 5: Solve for x
    x = 8,356,244.26/2,654.79
  6. Step 6: Final answer
    x = 3,147.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.