Home / 4,108.50-5,669.73-2,245.50

Finding the Fourth Proportional to 4,108.50, 5,669.73 and 2,245.50

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Solution

The fourth proportional to 4,108.50, 5,669.73 and 2,245.50 is: 3,098.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.50 : 5,669.73 = 2,245.50 : x
  2. Step 2: Convert to fraction form
    4,108.50/5,669.73 = 2,245.50/x
  3. Step 3: Cross multiply
    4,108.50x = 5,669.73 × 2,245.50
  4. Step 4: Simplify right side
    4,108.50x = 12,731,378.72
  5. Step 5: Solve for x
    x = 12,731,378.72/4,108.50
  6. Step 6: Final answer
    x = 3,098.79

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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.