Home / 2,912.42-4,385.00-2,567.97

Finding the Fourth Proportional to 2,912.42, 4,385.00 and 2,567.97

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Solution

The fourth proportional to 2,912.42, 4,385.00 and 2,567.97 is: 3,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.42 : 4,385.00 = 2,567.97 : x
  2. Step 2: Convert to fraction form
    2,912.42/4,385.00 = 2,567.97/x
  3. Step 3: Cross multiply
    2,912.42x = 4,385.00 × 2,567.97
  4. Step 4: Simplify right side
    2,912.42x = 11,260,554.87
  5. Step 5: Solve for x
    x = 11,260,554.87/2,912.42
  6. Step 6: Final answer
    x = 3,866.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.