Home / 3,176.66-4,374.01-2,821.96

Finding the Fourth Proportional to 3,176.66, 4,374.01 and 2,821.96

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Solution

The fourth proportional to 3,176.66, 4,374.01 and 2,821.96 is: 3,885.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.66 : 4,374.01 = 2,821.96 : x
  2. Step 2: Convert to fraction form
    3,176.66/4,374.01 = 2,821.96/x
  3. Step 3: Cross multiply
    3,176.66x = 4,374.01 × 2,821.96
  4. Step 4: Simplify right side
    3,176.66x = 12,343,282.58
  5. Step 5: Solve for x
    x = 12,343,282.58/3,176.66
  6. Step 6: Final answer
    x = 3,885.62

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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.