Home / 1,229.45-1,842.13-535.08

Finding the Fourth Proportional to 1,229.45, 1,842.13 and 535.08

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Solution

The fourth proportional to 1,229.45, 1,842.13 and 535.08 is: 801.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229.45 : 1,842.13 = 535.08 : x
  2. Step 2: Convert to fraction form
    1,229.45/1,842.13 = 535.08/x
  3. Step 3: Cross multiply
    1,229.45x = 1,842.13 × 535.08
  4. Step 4: Simplify right side
    1,229.45x = 985,686.92
  5. Step 5: Solve for x
    x = 985,686.92/1,229.45
  6. Step 6: Final answer
    x = 801.73

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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.