Home / 3,918.09-5,877.26-1,144.70

Finding the Fourth Proportional to 3,918.09, 5,877.26 and 1,144.70

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Solution

The fourth proportional to 3,918.09, 5,877.26 and 1,144.70 is: 1,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.09 : 5,877.26 = 1,144.70 : x
  2. Step 2: Convert to fraction form
    3,918.09/5,877.26 = 1,144.70/x
  3. Step 3: Cross multiply
    3,918.09x = 5,877.26 × 1,144.70
  4. Step 4: Simplify right side
    3,918.09x = 6,727,664.41
  5. Step 5: Solve for x
    x = 6,727,664.41/3,918.09
  6. Step 6: Final answer
    x = 1,717.08

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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.