Home / 3,966.34-5,474.81-2,310.66

Finding the Fourth Proportional to 3,966.34, 5,474.81 and 2,310.66

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Solution

The fourth proportional to 3,966.34, 5,474.81 and 2,310.66 is: 3,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.34 : 5,474.81 = 2,310.66 : x
  2. Step 2: Convert to fraction form
    3,966.34/5,474.81 = 2,310.66/x
  3. Step 3: Cross multiply
    3,966.34x = 5,474.81 × 2,310.66
  4. Step 4: Simplify right side
    3,966.34x = 12,650,424.47
  5. Step 5: Solve for x
    x = 12,650,424.47/3,966.34
  6. Step 6: Final answer
    x = 3,189.45

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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.