Home / 3,828.99-5,742.27-1,488.84

Finding the Fourth Proportional to 3,828.99, 5,742.27 and 1,488.84

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Solution

The fourth proportional to 3,828.99, 5,742.27 and 1,488.84 is: 2,232.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.99 : 5,742.27 = 1,488.84 : x
  2. Step 2: Convert to fraction form
    3,828.99/5,742.27 = 1,488.84/x
  3. Step 3: Cross multiply
    3,828.99x = 5,742.27 × 1,488.84
  4. Step 4: Simplify right side
    3,828.99x = 8,549,321.27
  5. Step 5: Solve for x
    x = 8,549,321.27/3,828.99
  6. Step 6: Final answer
    x = 2,232.79

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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.