Home / 3,401.23-5,102.35-1,209.43

Finding the Fourth Proportional to 3,401.23, 5,102.35 and 1,209.43

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Solution

The fourth proportional to 3,401.23, 5,102.35 and 1,209.43 is: 1,814.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.23 : 5,102.35 = 1,209.43 : x
  2. Step 2: Convert to fraction form
    3,401.23/5,102.35 = 1,209.43/x
  3. Step 3: Cross multiply
    3,401.23x = 5,102.35 × 1,209.43
  4. Step 4: Simplify right side
    3,401.23x = 6,170,935.16
  5. Step 5: Solve for x
    x = 6,170,935.16/3,401.23
  6. Step 6: Final answer
    x = 1,814.33

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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.