Home / 1,836.17-2,755.62-1,424.28

Finding the Fourth Proportional to 1,836.17, 2,755.62 and 1,424.28

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Solution

The fourth proportional to 1,836.17, 2,755.62 and 1,424.28 is: 2,137.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.17 : 2,755.62 = 1,424.28 : x
  2. Step 2: Convert to fraction form
    1,836.17/2,755.62 = 1,424.28/x
  3. Step 3: Cross multiply
    1,836.17x = 2,755.62 × 1,424.28
  4. Step 4: Simplify right side
    1,836.17x = 3,924,774.45
  5. Step 5: Solve for x
    x = 3,924,774.45/1,836.17
  6. Step 6: Final answer
    x = 2,137.48

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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.