Home / 2,549.61-3,821.34-2,214.36

Finding the Fourth Proportional to 2,549.61, 3,821.34 and 2,214.36

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Solution

The fourth proportional to 2,549.61, 3,821.34 and 2,214.36 is: 3,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.61 : 3,821.34 = 2,214.36 : x
  2. Step 2: Convert to fraction form
    2,549.61/3,821.34 = 2,214.36/x
  3. Step 3: Cross multiply
    2,549.61x = 3,821.34 × 2,214.36
  4. Step 4: Simplify right side
    2,549.61x = 8,461,822.44
  5. Step 5: Solve for x
    x = 8,461,822.44/2,549.61
  6. Step 6: Final answer
    x = 3,318.87

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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.