Home / 2,862.36-4,294.20-1,218.96

Finding the Fourth Proportional to 2,862.36, 4,294.20 and 1,218.96

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Solution

The fourth proportional to 2,862.36, 4,294.20 and 1,218.96 is: 1,828.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.36 : 4,294.20 = 1,218.96 : x
  2. Step 2: Convert to fraction form
    2,862.36/4,294.20 = 1,218.96/x
  3. Step 3: Cross multiply
    2,862.36x = 4,294.20 × 1,218.96
  4. Step 4: Simplify right side
    2,862.36x = 5,234,458.03
  5. Step 5: Solve for x
    x = 5,234,458.03/2,862.36
  6. Step 6: Final answer
    x = 1,828.72

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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.