Home / 3,948.04-5,917.56-1,996.12

Finding the Fourth Proportional to 3,948.04, 5,917.56 and 1,996.12

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Solution

The fourth proportional to 3,948.04, 5,917.56 and 1,996.12 is: 2,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.04 : 5,917.56 = 1,996.12 : x
  2. Step 2: Convert to fraction form
    3,948.04/5,917.56 = 1,996.12/x
  3. Step 3: Cross multiply
    3,948.04x = 5,917.56 × 1,996.12
  4. Step 4: Simplify right side
    3,948.04x = 11,812,159.87
  5. Step 5: Solve for x
    x = 11,812,159.87/3,948.04
  6. Step 6: Final answer
    x = 2,991.90

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1.5x scale

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.