Home / 3,969.33-5,955.62-1,374.09

Finding the Fourth Proportional to 3,969.33, 5,955.62 and 1,374.09

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Solution

The fourth proportional to 3,969.33, 5,955.62 and 1,374.09 is: 2,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.33 : 5,955.62 = 1,374.09 : x
  2. Step 2: Convert to fraction form
    3,969.33/5,955.62 = 1,374.09/x
  3. Step 3: Cross multiply
    3,969.33x = 5,955.62 × 1,374.09
  4. Step 4: Simplify right side
    3,969.33x = 8,183,551.02
  5. Step 5: Solve for x
    x = 8,183,551.02/3,969.33
  6. Step 6: Final answer
    x = 2,061.70

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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.