Home / 2,821.57-4,229.30-1,588.66

Finding the Fourth Proportional to 2,821.57, 4,229.30 and 1,588.66

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Solution

The fourth proportional to 2,821.57, 4,229.30 and 1,588.66 is: 2,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.57 : 4,229.30 = 1,588.66 : x
  2. Step 2: Convert to fraction form
    2,821.57/4,229.30 = 1,588.66/x
  3. Step 3: Cross multiply
    2,821.57x = 4,229.30 × 1,588.66
  4. Step 4: Simplify right side
    2,821.57x = 6,718,913.14
  5. Step 5: Solve for x
    x = 6,718,913.14/2,821.57
  6. Step 6: Final answer
    x = 2,381.27

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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.