Home / 2,943.86-4,066.13-2,201.12

Finding the Fourth Proportional to 2,943.86, 4,066.13 and 2,201.12

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Solution

The fourth proportional to 2,943.86, 4,066.13 and 2,201.12 is: 3,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.86 : 4,066.13 = 2,201.12 : x
  2. Step 2: Convert to fraction form
    2,943.86/4,066.13 = 2,201.12/x
  3. Step 3: Cross multiply
    2,943.86x = 4,066.13 × 2,201.12
  4. Step 4: Simplify right side
    2,943.86x = 8,950,008.73
  5. Step 5: Solve for x
    x = 8,950,008.73/2,943.86
  6. Step 6: Final answer
    x = 3,040.23

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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.