Home / 3,924.13-5,415.50-2,353.13

Finding the Fourth Proportional to 3,924.13, 5,415.50 and 2,353.13

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Solution

The fourth proportional to 3,924.13, 5,415.50 and 2,353.13 is: 3,247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.13 : 5,415.50 = 2,353.13 : x
  2. Step 2: Convert to fraction form
    3,924.13/5,415.50 = 2,353.13/x
  3. Step 3: Cross multiply
    3,924.13x = 5,415.50 × 2,353.13
  4. Step 4: Simplify right side
    3,924.13x = 12,743,375.52
  5. Step 5: Solve for x
    x = 12,743,375.52/3,924.13
  6. Step 6: Final answer
    x = 3,247.44

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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.