Home / 1,356.22-2,034.15-382.40

Finding the Fourth Proportional to 1,356.22, 2,034.15 and 382.40

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Solution

The fourth proportional to 1,356.22, 2,034.15 and 382.40 is: 573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.22 : 2,034.15 = 382.40 : x
  2. Step 2: Convert to fraction form
    1,356.22/2,034.15 = 382.40/x
  3. Step 3: Cross multiply
    1,356.22x = 2,034.15 × 382.40
  4. Step 4: Simplify right side
    1,356.22x = 777,858.96
  5. Step 5: Solve for x
    x = 777,858.96/1,356.22
  6. Step 6: Final answer
    x = 573.55

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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.