Home / 2,821.16-4,229.22-1,893.08

Finding the Fourth Proportional to 2,821.16, 4,229.22 and 1,893.08

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Solution

The fourth proportional to 2,821.16, 4,229.22 and 1,893.08 is: 2,837.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.16 : 4,229.22 = 1,893.08 : x
  2. Step 2: Convert to fraction form
    2,821.16/4,229.22 = 1,893.08/x
  3. Step 3: Cross multiply
    2,821.16x = 4,229.22 × 1,893.08
  4. Step 4: Simplify right side
    2,821.16x = 8,006,251.80
  5. Step 5: Solve for x
    x = 8,006,251.80/2,821.16
  6. Step 6: Final answer
    x = 2,837.93

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1.5x scale

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.