Home / 3,910.08-5,859.59-1,442.42

Finding the Fourth Proportional to 3,910.08, 5,859.59 and 1,442.42

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Solution

The fourth proportional to 3,910.08, 5,859.59 and 1,442.42 is: 2,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.08 : 5,859.59 = 1,442.42 : x
  2. Step 2: Convert to fraction form
    3,910.08/5,859.59 = 1,442.42/x
  3. Step 3: Cross multiply
    3,910.08x = 5,859.59 × 1,442.42
  4. Step 4: Simplify right side
    3,910.08x = 8,451,953.30
  5. Step 5: Solve for x
    x = 8,451,953.30/3,910.08
  6. Step 6: Final answer
    x = 2,161.58

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1.5x scale

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.