Home / 2,858.22-4,286.90-1,104.05

Finding the Fourth Proportional to 2,858.22, 4,286.90 and 1,104.05

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Solution

The fourth proportional to 2,858.22, 4,286.90 and 1,104.05 is: 1,655.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.22 : 4,286.90 = 1,104.05 : x
  2. Step 2: Convert to fraction form
    2,858.22/4,286.90 = 1,104.05/x
  3. Step 3: Cross multiply
    2,858.22x = 4,286.90 × 1,104.05
  4. Step 4: Simplify right side
    2,858.22x = 4,732,957.14
  5. Step 5: Solve for x
    x = 4,732,957.14/2,858.22
  6. Step 6: Final answer
    x = 1,655.91

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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.