Home / 2,175.28-3,262.93-531.83

Finding the Fourth Proportional to 2,175.28, 3,262.93 and 531.83

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Solution

The fourth proportional to 2,175.28, 3,262.93 and 531.83 is: 797.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.28 : 3,262.93 = 531.83 : x
  2. Step 2: Convert to fraction form
    2,175.28/3,262.93 = 531.83/x
  3. Step 3: Cross multiply
    2,175.28x = 3,262.93 × 531.83
  4. Step 4: Simplify right side
    2,175.28x = 1,735,330.89
  5. Step 5: Solve for x
    x = 1,735,330.89/2,175.28
  6. Step 6: Final answer
    x = 797.75

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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.