Home / 3,581.84-4,943.37-2,255.50

Finding the Fourth Proportional to 3,581.84, 4,943.37 and 2,255.50

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Solution

The fourth proportional to 3,581.84, 4,943.37 and 2,255.50 is: 3,112.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.84 : 4,943.37 = 2,255.50 : x
  2. Step 2: Convert to fraction form
    3,581.84/4,943.37 = 2,255.50/x
  3. Step 3: Cross multiply
    3,581.84x = 4,943.37 × 2,255.50
  4. Step 4: Simplify right side
    3,581.84x = 11,149,771.04
  5. Step 5: Solve for x
    x = 11,149,771.04/3,581.84
  6. Step 6: Final answer
    x = 3,112.86

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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.