Home / 1,201.36-1,793.60-1,028.08

Finding the Fourth Proportional to 1,201.36, 1,793.60 and 1,028.08

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Solution

The fourth proportional to 1,201.36, 1,793.60 and 1,028.08 is: 1,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201.36 : 1,793.60 = 1,028.08 : x
  2. Step 2: Convert to fraction form
    1,201.36/1,793.60 = 1,028.08/x
  3. Step 3: Cross multiply
    1,201.36x = 1,793.60 × 1,028.08
  4. Step 4: Simplify right side
    1,201.36x = 1,843,964.29
  5. Step 5: Solve for x
    x = 1,843,964.29/1,201.36
  6. Step 6: Final answer
    x = 1,534.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.