Home / 3,966.84-5,475.50-2,311.16

Finding the Fourth Proportional to 3,966.84, 5,475.50 and 2,311.16

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Solution

The fourth proportional to 3,966.84, 5,475.50 and 2,311.16 is: 3,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.84 : 5,475.50 = 2,311.16 : x
  2. Step 2: Convert to fraction form
    3,966.84/5,475.50 = 2,311.16/x
  3. Step 3: Cross multiply
    3,966.84x = 5,475.50 × 2,311.16
  4. Step 4: Simplify right side
    3,966.84x = 12,654,756.58
  5. Step 5: Solve for x
    x = 12,654,756.58/3,966.84
  6. Step 6: Final answer
    x = 3,190.14

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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.