Home / 3,581.91-4,943.70-2,238.12

Finding the Fourth Proportional to 3,581.91, 4,943.70 and 2,238.12

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Solution

The fourth proportional to 3,581.91, 4,943.70 and 2,238.12 is: 3,089.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.91 : 4,943.70 = 2,238.12 : x
  2. Step 2: Convert to fraction form
    3,581.91/4,943.70 = 2,238.12/x
  3. Step 3: Cross multiply
    3,581.91x = 4,943.70 × 2,238.12
  4. Step 4: Simplify right side
    3,581.91x = 11,064,593.84
  5. Step 5: Solve for x
    x = 11,064,593.84/3,581.91
  6. Step 6: Final answer
    x = 3,089.02

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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.