Home / 3,400.43-5,099.76-1,209.17

Finding the Fourth Proportional to 3,400.43, 5,099.76 and 1,209.17

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Solution

The fourth proportional to 3,400.43, 5,099.76 and 1,209.17 is: 1,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.43 : 5,099.76 = 1,209.17 : x
  2. Step 2: Convert to fraction form
    3,400.43/5,099.76 = 1,209.17/x
  3. Step 3: Cross multiply
    3,400.43x = 5,099.76 × 1,209.17
  4. Step 4: Simplify right side
    3,400.43x = 6,166,489.55
  5. Step 5: Solve for x
    x = 6,166,489.55/3,400.43
  6. Step 6: Final answer
    x = 1,813.45

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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.