Home / 3,819.05-5,727.47-1,045.81

Finding the Fourth Proportional to 3,819.05, 5,727.47 and 1,045.81

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Solution

The fourth proportional to 3,819.05, 5,727.47 and 1,045.81 is: 1,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.05 : 5,727.47 = 1,045.81 : x
  2. Step 2: Convert to fraction form
    3,819.05/5,727.47 = 1,045.81/x
  3. Step 3: Cross multiply
    3,819.05x = 5,727.47 × 1,045.81
  4. Step 4: Simplify right side
    3,819.05x = 5,989,854.68
  5. Step 5: Solve for x
    x = 5,989,854.68/3,819.05
  6. Step 6: Final answer
    x = 1,568.42

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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.