Home / 4,212.30-5,811.99-2,442.90

Finding the Fourth Proportional to 4,212.30, 5,811.99 and 2,442.90

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Solution

The fourth proportional to 4,212.30, 5,811.99 and 2,442.90 is: 3,370.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.30 : 5,811.99 = 2,442.90 : x
  2. Step 2: Convert to fraction form
    4,212.30/5,811.99 = 2,442.90/x
  3. Step 3: Cross multiply
    4,212.30x = 5,811.99 × 2,442.90
  4. Step 4: Simplify right side
    4,212.30x = 14,198,110.37
  5. Step 5: Solve for x
    x = 14,198,110.37/4,212.30
  6. Step 6: Final answer
    x = 3,370.63

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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.