Home / 3,636.60-5,019.44-2,065.20

Finding the Fourth Proportional to 3,636.60, 5,019.44 and 2,065.20

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Solution

The fourth proportional to 3,636.60, 5,019.44 and 2,065.20 is: 2,850.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.60 : 5,019.44 = 2,065.20 : x
  2. Step 2: Convert to fraction form
    3,636.60/5,019.44 = 2,065.20/x
  3. Step 3: Cross multiply
    3,636.60x = 5,019.44 × 2,065.20
  4. Step 4: Simplify right side
    3,636.60x = 10,366,147.49
  5. Step 5: Solve for x
    x = 10,366,147.49/3,636.60
  6. Step 6: Final answer
    x = 2,850.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.