Home / 1,837.81-2,757.12-539.38

Finding the Fourth Proportional to 1,837.81, 2,757.12 and 539.38

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Solution

The fourth proportional to 1,837.81, 2,757.12 and 539.38 is: 809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.81 : 2,757.12 = 539.38 : x
  2. Step 2: Convert to fraction form
    1,837.81/2,757.12 = 539.38/x
  3. Step 3: Cross multiply
    1,837.81x = 2,757.12 × 539.38
  4. Step 4: Simplify right side
    1,837.81x = 1,487,135.39
  5. Step 5: Solve for x
    x = 1,487,135.39/1,837.81
  6. Step 6: Final answer
    x = 809.19

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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.