Home / 3,328.71-4,992.45-1,353.86

Finding the Fourth Proportional to 3,328.71, 4,992.45 and 1,353.86

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Solution

The fourth proportional to 3,328.71, 4,992.45 and 1,353.86 is: 2,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.71 : 4,992.45 = 1,353.86 : x
  2. Step 2: Convert to fraction form
    3,328.71/4,992.45 = 1,353.86/x
  3. Step 3: Cross multiply
    3,328.71x = 4,992.45 × 1,353.86
  4. Step 4: Simplify right side
    3,328.71x = 6,759,078.36
  5. Step 5: Solve for x
    x = 6,759,078.36/3,328.71
  6. Step 6: Final answer
    x = 2,030.54

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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.