Home / 3,974.36-5,957.64-2,220.20

Finding the Fourth Proportional to 3,974.36, 5,957.64 and 2,220.20

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Solution

The fourth proportional to 3,974.36, 5,957.64 and 2,220.20 is: 3,328.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.36 : 5,957.64 = 2,220.20 : x
  2. Step 2: Convert to fraction form
    3,974.36/5,957.64 = 2,220.20/x
  3. Step 3: Cross multiply
    3,974.36x = 5,957.64 × 2,220.20
  4. Step 4: Simplify right side
    3,974.36x = 13,227,171.08
  5. Step 5: Solve for x
    x = 13,227,171.08/3,974.36
  6. Step 6: Final answer
    x = 3,328.13

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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.