Home / 3,324-4,986.24-1,374.72

Finding the Fourth Proportional to 3,324, 4,986.24 and 1,374.72

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Solution

The fourth proportional to 3,324, 4,986.24 and 1,374.72 is: 2,062.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324 : 4,986.24 = 1,374.72 : x
  2. Step 2: Convert to fraction form
    3,324/4,986.24 = 1,374.72/x
  3. Step 3: Cross multiply
    3,324x = 4,986.24 × 1,374.72
  4. Step 4: Simplify right side
    3,324x = 6,854,683.85
  5. Step 5: Solve for x
    x = 6,854,683.85/3,324
  6. Step 6: Final answer
    x = 2,062.18

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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.