Home / 1,202.20-1,803.30-1,150.36

Finding the Fourth Proportional to 1,202.20, 1,803.30 and 1,150.36

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Solution

The fourth proportional to 1,202.20, 1,803.30 and 1,150.36 is: 1,725.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202.20 : 1,803.30 = 1,150.36 : x
  2. Step 2: Convert to fraction form
    1,202.20/1,803.30 = 1,150.36/x
  3. Step 3: Cross multiply
    1,202.20x = 1,803.30 × 1,150.36
  4. Step 4: Simplify right side
    1,202.20x = 2,074,444.19
  5. Step 5: Solve for x
    x = 2,074,444.19/1,202.20
  6. Step 6: Final answer
    x = 1,725.54

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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.