Home / 3,617.10-4,992.17-2,622.02

Finding the Fourth Proportional to 3,617.10, 4,992.17 and 2,622.02

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Solution

The fourth proportional to 3,617.10, 4,992.17 and 2,622.02 is: 3,618.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.10 : 4,992.17 = 2,622.02 : x
  2. Step 2: Convert to fraction form
    3,617.10/4,992.17 = 2,622.02/x
  3. Step 3: Cross multiply
    3,617.10x = 4,992.17 × 2,622.02
  4. Step 4: Simplify right side
    3,617.10x = 13,089,531.51
  5. Step 5: Solve for x
    x = 13,089,531.51/3,617.10
  6. Step 6: Final answer
    x = 3,618.79

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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.