Home / 3,950.31-5,925.61-1,318.09

Finding the Fourth Proportional to 3,950.31, 5,925.61 and 1,318.09

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Solution

The fourth proportional to 3,950.31, 5,925.61 and 1,318.09 is: 1,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.31 : 5,925.61 = 1,318.09 : x
  2. Step 2: Convert to fraction form
    3,950.31/5,925.61 = 1,318.09/x
  3. Step 3: Cross multiply
    3,950.31x = 5,925.61 × 1,318.09
  4. Step 4: Simplify right side
    3,950.31x = 7,810,487.28
  5. Step 5: Solve for x
    x = 7,810,487.28/3,950.31
  6. Step 6: Final answer
    x = 1,977.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.