Home / 3,622.89-4,999.78-2,206.35

Finding the Fourth Proportional to 3,622.89, 4,999.78 and 2,206.35

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Solution

The fourth proportional to 3,622.89, 4,999.78 and 2,206.35 is: 3,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.89 : 4,999.78 = 2,206.35 : x
  2. Step 2: Convert to fraction form
    3,622.89/4,999.78 = 2,206.35/x
  3. Step 3: Cross multiply
    3,622.89x = 4,999.78 × 2,206.35
  4. Step 4: Simplify right side
    3,622.89x = 11,031,264.60
  5. Step 5: Solve for x
    x = 11,031,264.60/3,622.89
  6. Step 6: Final answer
    x = 3,044.88

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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.