Home / 3,600.49-5,400.75-2,212.45

Finding the Fourth Proportional to 3,600.49, 5,400.75 and 2,212.45

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Solution

The fourth proportional to 3,600.49, 5,400.75 and 2,212.45 is: 3,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.49 : 5,400.75 = 2,212.45 : x
  2. Step 2: Convert to fraction form
    3,600.49/5,400.75 = 2,212.45/x
  3. Step 3: Cross multiply
    3,600.49x = 5,400.75 × 2,212.45
  4. Step 4: Simplify right side
    3,600.49x = 11,948,889.34
  5. Step 5: Solve for x
    x = 11,948,889.34/3,600.49
  6. Step 6: Final answer
    x = 3,318.68

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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.