Home / 1,837.62-2,756.48-539.09

Finding the Fourth Proportional to 1,837.62, 2,756.48 and 539.09

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Solution

The fourth proportional to 1,837.62, 2,756.48 and 539.09 is: 808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.62 : 2,756.48 = 539.09 : x
  2. Step 2: Convert to fraction form
    1,837.62/2,756.48 = 539.09/x
  3. Step 3: Cross multiply
    1,837.62x = 2,756.48 × 539.09
  4. Step 4: Simplify right side
    1,837.62x = 1,485,974.33
  5. Step 5: Solve for x
    x = 1,485,974.33/1,837.62
  6. Step 6: Final answer
    x = 808.64

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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.