Home / 2,664.40-3,996.39-1,104.02

Finding the Fourth Proportional to 2,664.40, 3,996.39 and 1,104.02

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Solution

The fourth proportional to 2,664.40, 3,996.39 and 1,104.02 is: 1,655.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.40 : 3,996.39 = 1,104.02 : x
  2. Step 2: Convert to fraction form
    2,664.40/3,996.39 = 1,104.02/x
  3. Step 3: Cross multiply
    2,664.40x = 3,996.39 × 1,104.02
  4. Step 4: Simplify right side
    2,664.40x = 4,412,094.49
  5. Step 5: Solve for x
    x = 4,412,094.49/2,664.40
  6. Step 6: Final answer
    x = 1,655.94

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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.