Home / 3,814.43-5,263.49-2,220.86

Finding the Fourth Proportional to 3,814.43, 5,263.49 and 2,220.86

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Solution

The fourth proportional to 3,814.43, 5,263.49 and 2,220.86 is: 3,064.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.43 : 5,263.49 = 2,220.86 : x
  2. Step 2: Convert to fraction form
    3,814.43/5,263.49 = 2,220.86/x
  3. Step 3: Cross multiply
    3,814.43x = 5,263.49 × 2,220.86
  4. Step 4: Simplify right side
    3,814.43x = 11,689,436.98
  5. Step 5: Solve for x
    x = 11,689,436.98/3,814.43
  6. Step 6: Final answer
    x = 3,064.53

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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.