Home / 2,220.36-3,324.08-1,561.38

Finding the Fourth Proportional to 2,220.36, 3,324.08 and 1,561.38

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Solution

The fourth proportional to 2,220.36, 3,324.08 and 1,561.38 is: 2,337.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.36 : 3,324.08 = 1,561.38 : x
  2. Step 2: Convert to fraction form
    2,220.36/3,324.08 = 1,561.38/x
  3. Step 3: Cross multiply
    2,220.36x = 3,324.08 × 1,561.38
  4. Step 4: Simplify right side
    2,220.36x = 5,190,152.03
  5. Step 5: Solve for x
    x = 5,190,152.03/2,220.36
  6. Step 6: Final answer
    x = 2,337.53

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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.