Home / 3,904.68-5,855.94-1,712.85

Finding the Fourth Proportional to 3,904.68, 5,855.94 and 1,712.85

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Solution

The fourth proportional to 3,904.68, 5,855.94 and 1,712.85 is: 2,568.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.68 : 5,855.94 = 1,712.85 : x
  2. Step 2: Convert to fraction form
    3,904.68/5,855.94 = 1,712.85/x
  3. Step 3: Cross multiply
    3,904.68x = 5,855.94 × 1,712.85
  4. Step 4: Simplify right side
    3,904.68x = 10,030,346.83
  5. Step 5: Solve for x
    x = 10,030,346.83/3,904.68
  6. Step 6: Final answer
    x = 2,568.80

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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.