Home / 1,525.26-2,288.34-551.44

Finding the Fourth Proportional to 1,525.26, 2,288.34 and 551.44

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Solution

The fourth proportional to 1,525.26, 2,288.34 and 551.44 is: 827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.26 : 2,288.34 = 551.44 : x
  2. Step 2: Convert to fraction form
    1,525.26/2,288.34 = 551.44/x
  3. Step 3: Cross multiply
    1,525.26x = 2,288.34 × 551.44
  4. Step 4: Simplify right side
    1,525.26x = 1,261,882.21
  5. Step 5: Solve for x
    x = 1,261,882.21/1,525.26
  6. Step 6: Final answer
    x = 827.32

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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.