Home / 1,798.13-2,481.41-1,246.45

Finding the Fourth Proportional to 1,798.13, 2,481.41 and 1,246.45

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Solution

The fourth proportional to 1,798.13, 2,481.41 and 1,246.45 is: 1,720.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.13 : 2,481.41 = 1,246.45 : x
  2. Step 2: Convert to fraction form
    1,798.13/2,481.41 = 1,246.45/x
  3. Step 3: Cross multiply
    1,798.13x = 2,481.41 × 1,246.45
  4. Step 4: Simplify right side
    1,798.13x = 3,092,944.20
  5. Step 5: Solve for x
    x = 3,092,944.20/1,798.13
  6. Step 6: Final answer
    x = 1,720.09

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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.