Home / 2,821.18-3,893.23-1,701.90

Finding the Fourth Proportional to 2,821.18, 3,893.23 and 1,701.90

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Solution

The fourth proportional to 2,821.18, 3,893.23 and 1,701.90 is: 2,348.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.18 : 3,893.23 = 1,701.90 : x
  2. Step 2: Convert to fraction form
    2,821.18/3,893.23 = 1,701.90/x
  3. Step 3: Cross multiply
    2,821.18x = 3,893.23 × 1,701.90
  4. Step 4: Simplify right side
    2,821.18x = 6,625,888.14
  5. Step 5: Solve for x
    x = 6,625,888.14/2,821.18
  6. Step 6: Final answer
    x = 2,348.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.