Home / 3,626.24-4,998.12-2,775.20

Finding the Fourth Proportional to 3,626.24, 4,998.12 and 2,775.20

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Solution

The fourth proportional to 3,626.24, 4,998.12 and 2,775.20 is: 3,825.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.24 : 4,998.12 = 2,775.20 : x
  2. Step 2: Convert to fraction form
    3,626.24/4,998.12 = 2,775.20/x
  3. Step 3: Cross multiply
    3,626.24x = 4,998.12 × 2,775.20
  4. Step 4: Simplify right side
    3,626.24x = 13,870,782.62
  5. Step 5: Solve for x
    x = 13,870,782.62/3,626.24
  6. Step 6: Final answer
    x = 3,825.11

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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.