Home / 2,822.49-4,231.29-1,359.63

Finding the Fourth Proportional to 2,822.49, 4,231.29 and 1,359.63

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Solution

The fourth proportional to 2,822.49, 4,231.29 and 1,359.63 is: 2,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.49 : 4,231.29 = 1,359.63 : x
  2. Step 2: Convert to fraction form
    2,822.49/4,231.29 = 1,359.63/x
  3. Step 3: Cross multiply
    2,822.49x = 4,231.29 × 1,359.63
  4. Step 4: Simplify right side
    2,822.49x = 5,752,988.82
  5. Step 5: Solve for x
    x = 5,752,988.82/2,822.49
  6. Step 6: Final answer
    x = 2,038.27

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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.