Home / 2,833.40-4,251.74-1,189.80

Finding the Fourth Proportional to 2,833.40, 4,251.74 and 1,189.80

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Solution

The fourth proportional to 2,833.40, 4,251.74 and 1,189.80 is: 1,785.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.40 : 4,251.74 = 1,189.80 : x
  2. Step 2: Convert to fraction form
    2,833.40/4,251.74 = 1,189.80/x
  3. Step 3: Cross multiply
    2,833.40x = 4,251.74 × 1,189.80
  4. Step 4: Simplify right side
    2,833.40x = 5,058,714.30
  5. Step 5: Solve for x
    x = 5,058,714.30/2,833.40
  6. Step 6: Final answer
    x = 1,785.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.