Home / 3,640.82-5,022.80-2,242.76

Finding the Fourth Proportional to 3,640.82, 5,022.80 and 2,242.76

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Solution

The fourth proportional to 3,640.82, 5,022.80 and 2,242.76 is: 3,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.82 : 5,022.80 = 2,242.76 : x
  2. Step 2: Convert to fraction form
    3,640.82/5,022.80 = 2,242.76/x
  3. Step 3: Cross multiply
    3,640.82x = 5,022.80 × 2,242.76
  4. Step 4: Simplify right side
    3,640.82x = 11,264,934.93
  5. Step 5: Solve for x
    x = 11,264,934.93/3,640.82
  6. Step 6: Final answer
    x = 3,094.07

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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.