Home / 3,782.24-5,219.08-2,103.37

Finding the Fourth Proportional to 3,782.24, 5,219.08 and 2,103.37

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Solution

The fourth proportional to 3,782.24, 5,219.08 and 2,103.37 is: 2,902.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.24 : 5,219.08 = 2,103.37 : x
  2. Step 2: Convert to fraction form
    3,782.24/5,219.08 = 2,103.37/x
  3. Step 3: Cross multiply
    3,782.24x = 5,219.08 × 2,103.37
  4. Step 4: Simplify right side
    3,782.24x = 10,977,649.82
  5. Step 5: Solve for x
    x = 10,977,649.82/3,782.24
  6. Step 6: Final answer
    x = 2,902.42

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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.