Home / 3,399.98-5,101.47-1,209.06

Finding the Fourth Proportional to 3,399.98, 5,101.47 and 1,209.06

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Solution

The fourth proportional to 3,399.98, 5,101.47 and 1,209.06 is: 1,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.98 : 5,101.47 = 1,209.06 : x
  2. Step 2: Convert to fraction form
    3,399.98/5,101.47 = 1,209.06/x
  3. Step 3: Cross multiply
    3,399.98x = 5,101.47 × 1,209.06
  4. Step 4: Simplify right side
    3,399.98x = 6,167,983.32
  5. Step 5: Solve for x
    x = 6,167,983.32/3,399.98
  6. Step 6: Final answer
    x = 1,814.13

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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.