Home / 2,564.12-3,842.94-2,215.82

Finding the Fourth Proportional to 2,564.12, 3,842.94 and 2,215.82

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Solution

The fourth proportional to 2,564.12, 3,842.94 and 2,215.82 is: 3,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.12 : 3,842.94 = 2,215.82 : x
  2. Step 2: Convert to fraction form
    2,564.12/3,842.94 = 2,215.82/x
  3. Step 3: Cross multiply
    2,564.12x = 3,842.94 × 2,215.82
  4. Step 4: Simplify right side
    2,564.12x = 8,515,263.31
  5. Step 5: Solve for x
    x = 8,515,263.31/2,564.12
  6. Step 6: Final answer
    x = 3,320.93

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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.