Home / 3,659.82-5,490.40-1,712.04

Finding the Fourth Proportional to 3,659.82, 5,490.40 and 1,712.04

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Solution

The fourth proportional to 3,659.82, 5,490.40 and 1,712.04 is: 2,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.82 : 5,490.40 = 1,712.04 : x
  2. Step 2: Convert to fraction form
    3,659.82/5,490.40 = 1,712.04/x
  3. Step 3: Cross multiply
    3,659.82x = 5,490.40 × 1,712.04
  4. Step 4: Simplify right side
    3,659.82x = 9,399,784.42
  5. Step 5: Solve for x
    x = 9,399,784.42/3,659.82
  6. Step 6: Final answer
    x = 2,568.37

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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.