Home / 3,320.96-4,981.14-1,470.38

Finding the Fourth Proportional to 3,320.96, 4,981.14 and 1,470.38

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Solution

The fourth proportional to 3,320.96, 4,981.14 and 1,470.38 is: 2,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.96 : 4,981.14 = 1,470.38 : x
  2. Step 2: Convert to fraction form
    3,320.96/4,981.14 = 1,470.38/x
  3. Step 3: Cross multiply
    3,320.96x = 4,981.14 × 1,470.38
  4. Step 4: Simplify right side
    3,320.96x = 7,324,168.63
  5. Step 5: Solve for x
    x = 7,324,168.63/3,320.96
  6. Step 6: Final answer
    x = 2,205.44

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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.