Home / 3,918.08-5,876.79-1,837.55

Finding the Fourth Proportional to 3,918.08, 5,876.79 and 1,837.55

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Solution

The fourth proportional to 3,918.08, 5,876.79 and 1,837.55 is: 2,756.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.08 : 5,876.79 = 1,837.55 : x
  2. Step 2: Convert to fraction form
    3,918.08/5,876.79 = 1,837.55/x
  3. Step 3: Cross multiply
    3,918.08x = 5,876.79 × 1,837.55
  4. Step 4: Simplify right side
    3,918.08x = 10,798,866.08
  5. Step 5: Solve for x
    x = 10,798,866.08/3,918.08
  6. Step 6: Final answer
    x = 2,756.17

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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.