Home / 2,625.40-3,933.54-2,191.96

Finding the Fourth Proportional to 2,625.40, 3,933.54 and 2,191.96

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Solution

The fourth proportional to 2,625.40, 3,933.54 and 2,191.96 is: 3,284.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.40 : 3,933.54 = 2,191.96 : x
  2. Step 2: Convert to fraction form
    2,625.40/3,933.54 = 2,191.96/x
  3. Step 3: Cross multiply
    2,625.40x = 3,933.54 × 2,191.96
  4. Step 4: Simplify right side
    2,625.40x = 8,622,162.34
  5. Step 5: Solve for x
    x = 8,622,162.34/2,625.40
  6. Step 6: Final answer
    x = 3,284.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.