Home / 3,712.68-5,568.78-1,404.12

Finding the Fourth Proportional to 3,712.68, 5,568.78 and 1,404.12

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Solution

The fourth proportional to 3,712.68, 5,568.78 and 1,404.12 is: 2,106.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.68 : 5,568.78 = 1,404.12 : x
  2. Step 2: Convert to fraction form
    3,712.68/5,568.78 = 1,404.12/x
  3. Step 3: Cross multiply
    3,712.68x = 5,568.78 × 1,404.12
  4. Step 4: Simplify right side
    3,712.68x = 7,819,235.37
  5. Step 5: Solve for x
    x = 7,819,235.37/3,712.68
  6. Step 6: Final answer
    x = 2,106.09

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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.