Home / 3,918.96-5,875.64-1,837.82

Finding the Fourth Proportional to 3,918.96, 5,875.64 and 1,837.82

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Solution

The fourth proportional to 3,918.96, 5,875.64 and 1,837.82 is: 2,755.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.96 : 5,875.64 = 1,837.82 : x
  2. Step 2: Convert to fraction form
    3,918.96/5,875.64 = 1,837.82/x
  3. Step 3: Cross multiply
    3,918.96x = 5,875.64 × 1,837.82
  4. Step 4: Simplify right side
    3,918.96x = 10,798,368.70
  5. Step 5: Solve for x
    x = 10,798,368.70/3,918.96
  6. Step 6: Final answer
    x = 2,755.42

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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.