Home / 2,940.24-4,408.58-1,380.59

Finding the Fourth Proportional to 2,940.24, 4,408.58 and 1,380.59

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Solution

The fourth proportional to 2,940.24, 4,408.58 and 1,380.59 is: 2,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.24 : 4,408.58 = 1,380.59 : x
  2. Step 2: Convert to fraction form
    2,940.24/4,408.58 = 1,380.59/x
  3. Step 3: Cross multiply
    2,940.24x = 4,408.58 × 1,380.59
  4. Step 4: Simplify right side
    2,940.24x = 6,086,441.46
  5. Step 5: Solve for x
    x = 6,086,441.46/2,940.24
  6. Step 6: Final answer
    x = 2,070.05

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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.