Home / 2,921.54-4,372.70-2,224.46

Finding the Fourth Proportional to 2,921.54, 4,372.70 and 2,224.46

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Solution

The fourth proportional to 2,921.54, 4,372.70 and 2,224.46 is: 3,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.54 : 4,372.70 = 2,224.46 : x
  2. Step 2: Convert to fraction form
    2,921.54/4,372.70 = 2,224.46/x
  3. Step 3: Cross multiply
    2,921.54x = 4,372.70 × 2,224.46
  4. Step 4: Simplify right side
    2,921.54x = 9,726,896.24
  5. Step 5: Solve for x
    x = 9,726,896.24/2,921.54
  6. Step 6: Final answer
    x = 3,329.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.