Home / 2,224.56-3,313.31-2,107.45

Finding the Fourth Proportional to 2,224.56, 3,313.31 and 2,107.45

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Solution

The fourth proportional to 2,224.56, 3,313.31 and 2,107.45 is: 3,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.56 : 3,313.31 = 2,107.45 : x
  2. Step 2: Convert to fraction form
    2,224.56/3,313.31 = 2,107.45/x
  3. Step 3: Cross multiply
    2,224.56x = 3,313.31 × 2,107.45
  4. Step 4: Simplify right side
    2,224.56x = 6,982,628.76
  5. Step 5: Solve for x
    x = 6,982,628.76/2,224.56
  6. Step 6: Final answer
    x = 3,138.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.