Home / 2,863.21-4,296.43-1,219.58

Finding the Fourth Proportional to 2,863.21, 4,296.43 and 1,219.58

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Solution

The fourth proportional to 2,863.21, 4,296.43 and 1,219.58 is: 1,830.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.21 : 4,296.43 = 1,219.58 : x
  2. Step 2: Convert to fraction form
    2,863.21/4,296.43 = 1,219.58/x
  3. Step 3: Cross multiply
    2,863.21x = 4,296.43 × 1,219.58
  4. Step 4: Simplify right side
    2,863.21x = 5,239,840.10
  5. Step 5: Solve for x
    x = 5,239,840.10/2,863.21
  6. Step 6: Final answer
    x = 1,830.06

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Why These Related Problems?

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