Home / 2,669.85-3,999.42-2,451.86

Finding the Fourth Proportional to 2,669.85, 3,999.42 and 2,451.86

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Solution

The fourth proportional to 2,669.85, 3,999.42 and 2,451.86 is: 3,672.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.85 : 3,999.42 = 2,451.86 : x
  2. Step 2: Convert to fraction form
    2,669.85/3,999.42 = 2,451.86/x
  3. Step 3: Cross multiply
    2,669.85x = 3,999.42 × 2,451.86
  4. Step 4: Simplify right side
    2,669.85x = 9,806,017.92
  5. Step 5: Solve for x
    x = 9,806,017.92/2,669.85
  6. Step 6: Final answer
    x = 3,672.87

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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.