Home / 3,621.24-4,995.18-2,223

Finding the Fourth Proportional to 3,621.24, 4,995.18 and 2,223

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Solution

The fourth proportional to 3,621.24, 4,995.18 and 2,223 is: 3,066.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.24 : 4,995.18 = 2,223 : x
  2. Step 2: Convert to fraction form
    3,621.24/4,995.18 = 2,223/x
  3. Step 3: Cross multiply
    3,621.24x = 4,995.18 × 2,223
  4. Step 4: Simplify right side
    3,621.24x = 11,104,285.14
  5. Step 5: Solve for x
    x = 11,104,285.14/3,621.24
  6. Step 6: Final answer
    x = 3,066.43

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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.