Home / 2,799.06-3,864.02-1,619.90

Finding the Fourth Proportional to 2,799.06, 3,864.02 and 1,619.90

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Solution

The fourth proportional to 2,799.06, 3,864.02 and 1,619.90 is: 2,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.06 : 3,864.02 = 1,619.90 : x
  2. Step 2: Convert to fraction form
    2,799.06/3,864.02 = 1,619.90/x
  3. Step 3: Cross multiply
    2,799.06x = 3,864.02 × 1,619.90
  4. Step 4: Simplify right side
    2,799.06x = 6,259,327.56
  5. Step 5: Solve for x
    x = 6,259,327.56/2,799.06
  6. Step 6: Final answer
    x = 2,236.22

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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.