Home / 1,976.00-2,726.85-1,409.88

Finding the Fourth Proportional to 1,976.00, 2,726.85 and 1,409.88

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Solution

The fourth proportional to 1,976.00, 2,726.85 and 1,409.88 is: 1,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.00 : 2,726.85 = 1,409.88 : x
  2. Step 2: Convert to fraction form
    1,976.00/2,726.85 = 1,409.88/x
  3. Step 3: Cross multiply
    1,976.00x = 2,726.85 × 1,409.88
  4. Step 4: Simplify right side
    1,976.00x = 3,844,531.28
  5. Step 5: Solve for x
    x = 3,844,531.28/1,976.00
  6. Step 6: Final answer
    x = 1,945.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.