Home / 2,892.31-4,336.84-1,969.11

Finding the Fourth Proportional to 2,892.31, 4,336.84 and 1,969.11

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Solution

The fourth proportional to 2,892.31, 4,336.84 and 1,969.11 is: 2,952.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.31 : 4,336.84 = 1,969.11 : x
  2. Step 2: Convert to fraction form
    2,892.31/4,336.84 = 1,969.11/x
  3. Step 3: Cross multiply
    2,892.31x = 4,336.84 × 1,969.11
  4. Step 4: Simplify right side
    2,892.31x = 8,539,715.01
  5. Step 5: Solve for x
    x = 8,539,715.01/2,892.31
  6. Step 6: Final answer
    x = 2,952.56

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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.