Home / 3,579.68-5,369.40-1,269.56

Finding the Fourth Proportional to 3,579.68, 5,369.40 and 1,269.56

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Solution

The fourth proportional to 3,579.68, 5,369.40 and 1,269.56 is: 1,904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.68 : 5,369.40 = 1,269.56 : x
  2. Step 2: Convert to fraction form
    3,579.68/5,369.40 = 1,269.56/x
  3. Step 3: Cross multiply
    3,579.68x = 5,369.40 × 1,269.56
  4. Step 4: Simplify right side
    3,579.68x = 6,816,775.46
  5. Step 5: Solve for x
    x = 6,816,775.46/3,579.68
  6. Step 6: Final answer
    x = 1,904.30

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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.