Home / 3,625.91-5,006.16-2,785.11

Finding the Fourth Proportional to 3,625.91, 5,006.16 and 2,785.11

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Solution

The fourth proportional to 3,625.91, 5,006.16 and 2,785.11 is: 3,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.91 : 5,006.16 = 2,785.11 : x
  2. Step 2: Convert to fraction form
    3,625.91/5,006.16 = 2,785.11/x
  3. Step 3: Cross multiply
    3,625.91x = 5,006.16 × 2,785.11
  4. Step 4: Simplify right side
    3,625.91x = 13,942,706.28
  5. Step 5: Solve for x
    x = 13,942,706.28/3,625.91
  6. Step 6: Final answer
    x = 3,845.30

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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.