Home / 1,798.35-2,480.97-1,299.88

Finding the Fourth Proportional to 1,798.35, 2,480.97 and 1,299.88

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Solution

The fourth proportional to 1,798.35, 2,480.97 and 1,299.88 is: 1,793.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.35 : 2,480.97 = 1,299.88 : x
  2. Step 2: Convert to fraction form
    1,798.35/2,480.97 = 1,299.88/x
  3. Step 3: Cross multiply
    1,798.35x = 2,480.97 × 1,299.88
  4. Step 4: Simplify right side
    1,798.35x = 3,224,963.28
  5. Step 5: Solve for x
    x = 3,224,963.28/1,798.35
  6. Step 6: Final answer
    x = 1,793.29

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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.