Home / 3,324.29-4,986.63-1,376.64

Finding the Fourth Proportional to 3,324.29, 4,986.63 and 1,376.64

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Solution

The fourth proportional to 3,324.29, 4,986.63 and 1,376.64 is: 2,065.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.29 : 4,986.63 = 1,376.64 : x
  2. Step 2: Convert to fraction form
    3,324.29/4,986.63 = 1,376.64/x
  3. Step 3: Cross multiply
    3,324.29x = 4,986.63 × 1,376.64
  4. Step 4: Simplify right side
    3,324.29x = 6,864,794.32
  5. Step 5: Solve for x
    x = 6,864,794.32/3,324.29
  6. Step 6: Final answer
    x = 2,065.04

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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.