Home / 1,353.52-2,028.46-531.35

Finding the Fourth Proportional to 1,353.52, 2,028.46 and 531.35

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Solution

The fourth proportional to 1,353.52, 2,028.46 and 531.35 is: 796.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353.52 : 2,028.46 = 531.35 : x
  2. Step 2: Convert to fraction form
    1,353.52/2,028.46 = 531.35/x
  3. Step 3: Cross multiply
    1,353.52x = 2,028.46 × 531.35
  4. Step 4: Simplify right side
    1,353.52x = 1,077,822.22
  5. Step 5: Solve for x
    x = 1,077,822.22/1,353.52
  6. Step 6: Final answer
    x = 796.31

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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.