Home / 3,954.60-5,931.96-1,357.56

Finding the Fourth Proportional to 3,954.60, 5,931.96 and 1,357.56

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Solution

The fourth proportional to 3,954.60, 5,931.96 and 1,357.56 is: 2,036.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.60 : 5,931.96 = 1,357.56 : x
  2. Step 2: Convert to fraction form
    3,954.60/5,931.96 = 1,357.56/x
  3. Step 3: Cross multiply
    3,954.60x = 5,931.96 × 1,357.56
  4. Step 4: Simplify right side
    3,954.60x = 8,052,991.62
  5. Step 5: Solve for x
    x = 8,052,991.62/3,954.60
  6. Step 6: Final answer
    x = 2,036.36

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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.