Home / 3,835.20-5,291.28-2,262.24

Finding the Fourth Proportional to 3,835.20, 5,291.28 and 2,262.24

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Solution

The fourth proportional to 3,835.20, 5,291.28 and 2,262.24 is: 3,121.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.20 : 5,291.28 = 2,262.24 : x
  2. Step 2: Convert to fraction form
    3,835.20/5,291.28 = 2,262.24/x
  3. Step 3: Cross multiply
    3,835.20x = 5,291.28 × 2,262.24
  4. Step 4: Simplify right side
    3,835.20x = 11,970,145.27
  5. Step 5: Solve for x
    x = 11,970,145.27/3,835.20
  6. Step 6: Final answer
    x = 3,121.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.