Home / 3,868.20-5,797.44-1,788.12

Finding the Fourth Proportional to 3,868.20, 5,797.44 and 1,788.12

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Solution

The fourth proportional to 3,868.20, 5,797.44 and 1,788.12 is: 2,679.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.20 : 5,797.44 = 1,788.12 : x
  2. Step 2: Convert to fraction form
    3,868.20/5,797.44 = 1,788.12/x
  3. Step 3: Cross multiply
    3,868.20x = 5,797.44 × 1,788.12
  4. Step 4: Simplify right side
    3,868.20x = 10,366,518.41
  5. Step 5: Solve for x
    x = 10,366,518.41/3,868.20
  6. Step 6: Final answer
    x = 2,679.93

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1.5x scale

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.