Home / 3,328.45-4,993.85-1,479.40

Finding the Fourth Proportional to 3,328.45, 4,993.85 and 1,479.40

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Solution

The fourth proportional to 3,328.45, 4,993.85 and 1,479.40 is: 2,219.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.45 : 4,993.85 = 1,479.40 : x
  2. Step 2: Convert to fraction form
    3,328.45/4,993.85 = 1,479.40/x
  3. Step 3: Cross multiply
    3,328.45x = 4,993.85 × 1,479.40
  4. Step 4: Simplify right side
    3,328.45x = 7,387,892.90
  5. Step 5: Solve for x
    x = 7,387,892.90/3,328.45
  6. Step 6: Final answer
    x = 2,219.62

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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.