Home / 3,318.57-4,973.20-2,622.17

Finding the Fourth Proportional to 3,318.57, 4,973.20 and 2,622.17

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Solution

The fourth proportional to 3,318.57, 4,973.20 and 2,622.17 is: 3,929.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.57 : 4,973.20 = 2,622.17 : x
  2. Step 2: Convert to fraction form
    3,318.57/4,973.20 = 2,622.17/x
  3. Step 3: Cross multiply
    3,318.57x = 4,973.20 × 2,622.17
  4. Step 4: Simplify right side
    3,318.57x = 13,040,581.72
  5. Step 5: Solve for x
    x = 13,040,581.72/3,318.57
  6. Step 6: Final answer
    x = 3,929.58

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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.