Home / 3,995.30-5,516.97-2,505.77

Finding the Fourth Proportional to 3,995.30, 5,516.97 and 2,505.77

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Solution

The fourth proportional to 3,995.30, 5,516.97 and 2,505.77 is: 3,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.30 : 5,516.97 = 2,505.77 : x
  2. Step 2: Convert to fraction form
    3,995.30/5,516.97 = 2,505.77/x
  3. Step 3: Cross multiply
    3,995.30x = 5,516.97 × 2,505.77
  4. Step 4: Simplify right side
    3,995.30x = 13,824,257.92
  5. Step 5: Solve for x
    x = 13,824,257.92/3,995.30
  6. Step 6: Final answer
    x = 3,460.13

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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.