Home / 3,325.91-4,989.53-1,245.86

Finding the Fourth Proportional to 3,325.91, 4,989.53 and 1,245.86

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Solution

The fourth proportional to 3,325.91, 4,989.53 and 1,245.86 is: 1,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.91 : 4,989.53 = 1,245.86 : x
  2. Step 2: Convert to fraction form
    3,325.91/4,989.53 = 1,245.86/x
  3. Step 3: Cross multiply
    3,325.91x = 4,989.53 × 1,245.86
  4. Step 4: Simplify right side
    3,325.91x = 6,216,252.72
  5. Step 5: Solve for x
    x = 6,216,252.72/3,325.91
  6. Step 6: Final answer
    x = 1,869.04

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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.