Home / 3,775.24-5,200.53-3,213.91

Finding the Fourth Proportional to 3,775.24, 5,200.53 and 3,213.91

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Solution

The fourth proportional to 3,775.24, 5,200.53 and 3,213.91 is: 4,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.24 : 5,200.53 = 3,213.91 : x
  2. Step 2: Convert to fraction form
    3,775.24/5,200.53 = 3,213.91/x
  3. Step 3: Cross multiply
    3,775.24x = 5,200.53 × 3,213.91
  4. Step 4: Simplify right side
    3,775.24x = 16,714,035.37
  5. Step 5: Solve for x
    x = 16,714,035.37/3,775.24
  6. Step 6: Final answer
    x = 4,427.28

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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.