Home / 3,218.11-4,819.26-1,569.35

Finding the Fourth Proportional to 3,218.11, 4,819.26 and 1,569.35

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Solution

The fourth proportional to 3,218.11, 4,819.26 and 1,569.35 is: 2,350.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.11 : 4,819.26 = 1,569.35 : x
  2. Step 2: Convert to fraction form
    3,218.11/4,819.26 = 1,569.35/x
  3. Step 3: Cross multiply
    3,218.11x = 4,819.26 × 1,569.35
  4. Step 4: Simplify right side
    3,218.11x = 7,563,105.68
  5. Step 5: Solve for x
    x = 7,563,105.68/3,218.11
  6. Step 6: Final answer
    x = 2,350.17

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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.