Home / 3,655.24-5,477.82-2,876.20

Finding the Fourth Proportional to 3,655.24, 5,477.82 and 2,876.20

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Solution

The fourth proportional to 3,655.24, 5,477.82 and 2,876.20 is: 4,310.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.24 : 5,477.82 = 2,876.20 : x
  2. Step 2: Convert to fraction form
    3,655.24/5,477.82 = 2,876.20/x
  3. Step 3: Cross multiply
    3,655.24x = 5,477.82 × 2,876.20
  4. Step 4: Simplify right side
    3,655.24x = 15,755,305.88
  5. Step 5: Solve for x
    x = 15,755,305.88/3,655.24
  6. Step 6: Final answer
    x = 4,310.33

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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.