Home / 3,419.13-5,131.14-1,471.89

Finding the Fourth Proportional to 3,419.13, 5,131.14 and 1,471.89

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Solution

The fourth proportional to 3,419.13, 5,131.14 and 1,471.89 is: 2,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.13 : 5,131.14 = 1,471.89 : x
  2. Step 2: Convert to fraction form
    3,419.13/5,131.14 = 1,471.89/x
  3. Step 3: Cross multiply
    3,419.13x = 5,131.14 × 1,471.89
  4. Step 4: Simplify right side
    3,419.13x = 7,552,473.65
  5. Step 5: Solve for x
    x = 7,552,473.65/3,419.13
  6. Step 6: Final answer
    x = 2,208.89

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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.