Home / 2,174.80-3,258.20-1,202.08

Finding the Fourth Proportional to 2,174.80, 3,258.20 and 1,202.08

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Solution

The fourth proportional to 2,174.80, 3,258.20 and 1,202.08 is: 1,800.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.80 : 3,258.20 = 1,202.08 : x
  2. Step 2: Convert to fraction form
    2,174.80/3,258.20 = 1,202.08/x
  3. Step 3: Cross multiply
    2,174.80x = 3,258.20 × 1,202.08
  4. Step 4: Simplify right side
    2,174.80x = 3,916,617.06
  5. Step 5: Solve for x
    x = 3,916,617.06/2,174.80
  6. Step 6: Final answer
    x = 1,800.91

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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.