Home / 4,220.16-5,823.75-2,451.78

Finding the Fourth Proportional to 4,220.16, 5,823.75 and 2,451.78

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Solution

The fourth proportional to 4,220.16, 5,823.75 and 2,451.78 is: 3,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.16 : 5,823.75 = 2,451.78 : x
  2. Step 2: Convert to fraction form
    4,220.16/5,823.75 = 2,451.78/x
  3. Step 3: Cross multiply
    4,220.16x = 5,823.75 × 2,451.78
  4. Step 4: Simplify right side
    4,220.16x = 14,278,553.78
  5. Step 5: Solve for x
    x = 14,278,553.78/4,220.16
  6. Step 6: Final answer
    x = 3,383.42

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Half scale
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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.