Home / 1,353.24-2,029.56-379.44

Finding the Fourth Proportional to 1,353.24, 2,029.56 and 379.44

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Solution

The fourth proportional to 1,353.24, 2,029.56 and 379.44 is: 569.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353.24 : 2,029.56 = 379.44 : x
  2. Step 2: Convert to fraction form
    1,353.24/2,029.56 = 379.44/x
  3. Step 3: Cross multiply
    1,353.24x = 2,029.56 × 379.44
  4. Step 4: Simplify right side
    1,353.24x = 770,096.25
  5. Step 5: Solve for x
    x = 770,096.25/1,353.24
  6. Step 6: Final answer
    x = 569.08

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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.