Home / 4,155.88-5,735.12-2,663.80

Finding the Fourth Proportional to 4,155.88, 5,735.12 and 2,663.80

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Solution

The fourth proportional to 4,155.88, 5,735.12 and 2,663.80 is: 3,676.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.88 : 5,735.12 = 2,663.80 : x
  2. Step 2: Convert to fraction form
    4,155.88/5,735.12 = 2,663.80/x
  3. Step 3: Cross multiply
    4,155.88x = 5,735.12 × 2,663.80
  4. Step 4: Simplify right side
    4,155.88x = 15,277,212.66
  5. Step 5: Solve for x
    x = 15,277,212.66/4,155.88
  6. Step 6: Final answer
    x = 3,676.05

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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.