Home / 1,918.26-2,875.77-1,179.27

Finding the Fourth Proportional to 1,918.26, 2,875.77 and 1,179.27

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Solution

The fourth proportional to 1,918.26, 2,875.77 and 1,179.27 is: 1,767.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918.26 : 2,875.77 = 1,179.27 : x
  2. Step 2: Convert to fraction form
    1,918.26/2,875.77 = 1,179.27/x
  3. Step 3: Cross multiply
    1,918.26x = 2,875.77 × 1,179.27
  4. Step 4: Simplify right side
    1,918.26x = 3,391,309.29
  5. Step 5: Solve for x
    x = 3,391,309.29/1,918.26
  6. Step 6: Final answer
    x = 1,767.91

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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.