Home / 3,622.12-4,998.18-2,877.88

Finding the Fourth Proportional to 3,622.12, 4,998.18 and 2,877.88

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Solution

The fourth proportional to 3,622.12, 4,998.18 and 2,877.88 is: 3,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.12 : 4,998.18 = 2,877.88 : x
  2. Step 2: Convert to fraction form
    3,622.12/4,998.18 = 2,877.88/x
  3. Step 3: Cross multiply
    3,622.12x = 4,998.18 × 2,877.88
  4. Step 4: Simplify right side
    3,622.12x = 14,384,162.26
  5. Step 5: Solve for x
    x = 14,384,162.26/3,622.12
  6. Step 6: Final answer
    x = 3,971.20

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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.