Home / 3,944.40-5,918.04-1,348.08

Finding the Fourth Proportional to 3,944.40, 5,918.04 and 1,348.08

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Solution

The fourth proportional to 3,944.40, 5,918.04 and 1,348.08 is: 2,022.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.40 : 5,918.04 = 1,348.08 : x
  2. Step 2: Convert to fraction form
    3,944.40/5,918.04 = 1,348.08/x
  3. Step 3: Cross multiply
    3,944.40x = 5,918.04 × 1,348.08
  4. Step 4: Simplify right side
    3,944.40x = 7,977,991.36
  5. Step 5: Solve for x
    x = 7,977,991.36/3,944.40
  6. Step 6: Final answer
    x = 2,022.61

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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.