Home / 1,975.92-2,726.57-1,219.59

Finding the Fourth Proportional to 1,975.92, 2,726.57 and 1,219.59

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Solution

The fourth proportional to 1,975.92, 2,726.57 and 1,219.59 is: 1,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.92 : 2,726.57 = 1,219.59 : x
  2. Step 2: Convert to fraction form
    1,975.92/2,726.57 = 1,219.59/x
  3. Step 3: Cross multiply
    1,975.92x = 2,726.57 × 1,219.59
  4. Step 4: Simplify right side
    1,975.92x = 3,325,291.41
  5. Step 5: Solve for x
    x = 3,325,291.41/1,975.92
  6. Step 6: Final answer
    x = 1,682.91

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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.