Home / 1,568.24-2,351.60-528.04

Finding the Fourth Proportional to 1,568.24, 2,351.60 and 528.04

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Solution

The fourth proportional to 1,568.24, 2,351.60 and 528.04 is: 791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.24 : 2,351.60 = 528.04 : x
  2. Step 2: Convert to fraction form
    1,568.24/2,351.60 = 528.04/x
  3. Step 3: Cross multiply
    1,568.24x = 2,351.60 × 528.04
  4. Step 4: Simplify right side
    1,568.24x = 1,241,738.86
  5. Step 5: Solve for x
    x = 1,241,738.86/1,568.24
  6. Step 6: Final answer
    x = 791.80

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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.