Home / 3,918.66-5,876.62-1,726.19

Finding the Fourth Proportional to 3,918.66, 5,876.62 and 1,726.19

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Solution

The fourth proportional to 3,918.66, 5,876.62 and 1,726.19 is: 2,588.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.66 : 5,876.62 = 1,726.19 : x
  2. Step 2: Convert to fraction form
    3,918.66/5,876.62 = 1,726.19/x
  3. Step 3: Cross multiply
    3,918.66x = 5,876.62 × 1,726.19
  4. Step 4: Simplify right side
    3,918.66x = 10,144,139.36
  5. Step 5: Solve for x
    x = 10,144,139.36/3,918.66
  6. Step 6: Final answer
    x = 2,588.68

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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.