Home / 2,382.51-3,573.69-921.99

Finding the Fourth Proportional to 2,382.51, 3,573.69 and 921.99

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Solution

The fourth proportional to 2,382.51, 3,573.69 and 921.99 is: 1,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.51 : 3,573.69 = 921.99 : x
  2. Step 2: Convert to fraction form
    2,382.51/3,573.69 = 921.99/x
  3. Step 3: Cross multiply
    2,382.51x = 3,573.69 × 921.99
  4. Step 4: Simplify right side
    2,382.51x = 3,294,906.44
  5. Step 5: Solve for x
    x = 3,294,906.44/2,382.51
  6. Step 6: Final answer
    x = 1,382.96

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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.