Home / 3,399.10-5,100.70-1,207.66

Finding the Fourth Proportional to 3,399.10, 5,100.70 and 1,207.66

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Solution

The fourth proportional to 3,399.10, 5,100.70 and 1,207.66 is: 1,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.10 : 5,100.70 = 1,207.66 : x
  2. Step 2: Convert to fraction form
    3,399.10/5,100.70 = 1,207.66/x
  3. Step 3: Cross multiply
    3,399.10x = 5,100.70 × 1,207.66
  4. Step 4: Simplify right side
    3,399.10x = 6,159,907.42
  5. Step 5: Solve for x
    x = 6,159,907.42/3,399.10
  6. Step 6: Final answer
    x = 1,812.22

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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.