Home / 3,815.16-5,722.88-1,350.22

Finding the Fourth Proportional to 3,815.16, 5,722.88 and 1,350.22

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Solution

The fourth proportional to 3,815.16, 5,722.88 and 1,350.22 is: 2,025.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.16 : 5,722.88 = 1,350.22 : x
  2. Step 2: Convert to fraction form
    3,815.16/5,722.88 = 1,350.22/x
  3. Step 3: Cross multiply
    3,815.16x = 5,722.88 × 1,350.22
  4. Step 4: Simplify right side
    3,815.16x = 7,727,147.03
  5. Step 5: Solve for x
    x = 7,727,147.03/3,815.16
  6. Step 6: Final answer
    x = 2,025.38

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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.