Home / 3,622.29-4,999.17-2,206.80

Finding the Fourth Proportional to 3,622.29, 4,999.17 and 2,206.80

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Solution

The fourth proportional to 3,622.29, 4,999.17 and 2,206.80 is: 3,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.29 : 4,999.17 = 2,206.80 : x
  2. Step 2: Convert to fraction form
    3,622.29/4,999.17 = 2,206.80/x
  3. Step 3: Cross multiply
    3,622.29x = 4,999.17 × 2,206.80
  4. Step 4: Simplify right side
    3,622.29x = 11,032,176.63
  5. Step 5: Solve for x
    x = 11,032,176.63/3,622.29
  6. Step 6: Final answer
    x = 3,045.64

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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.