Home / 3,400.89-5,102.24-1,209.84

Finding the Fourth Proportional to 3,400.89, 5,102.24 and 1,209.84

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Solution

The fourth proportional to 3,400.89, 5,102.24 and 1,209.84 is: 1,815.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.89 : 5,102.24 = 1,209.84 : x
  2. Step 2: Convert to fraction form
    3,400.89/5,102.24 = 1,209.84/x
  3. Step 3: Cross multiply
    3,400.89x = 5,102.24 × 1,209.84
  4. Step 4: Simplify right side
    3,400.89x = 6,172,887.99
  5. Step 5: Solve for x
    x = 6,172,887.99/3,400.89
  6. Step 6: Final answer
    x = 1,815.08

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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.