Home / 1,356.17-2,034.39-382.27

Finding the Fourth Proportional to 1,356.17, 2,034.39 and 382.27

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Solution

The fourth proportional to 1,356.17, 2,034.39 and 382.27 is: 573.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.17 : 2,034.39 = 382.27 : x
  2. Step 2: Convert to fraction form
    1,356.17/2,034.39 = 382.27/x
  3. Step 3: Cross multiply
    1,356.17x = 2,034.39 × 382.27
  4. Step 4: Simplify right side
    1,356.17x = 777,686.27
  5. Step 5: Solve for x
    x = 777,686.27/1,356.17
  6. Step 6: Final answer
    x = 573.44

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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.