Home / 2,175.24-3,262.85-531.77

Finding the Fourth Proportional to 2,175.24, 3,262.85 and 531.77

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Solution

The fourth proportional to 2,175.24, 3,262.85 and 531.77 is: 797.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.24 : 3,262.85 = 531.77 : x
  2. Step 2: Convert to fraction form
    2,175.24/3,262.85 = 531.77/x
  3. Step 3: Cross multiply
    2,175.24x = 3,262.85 × 531.77
  4. Step 4: Simplify right side
    2,175.24x = 1,735,066.77
  5. Step 5: Solve for x
    x = 1,735,066.77/2,175.24
  6. Step 6: Final answer
    x = 797.64

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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.