Home / 3,966.18-5,469.54-2,960.10

Finding the Fourth Proportional to 3,966.18, 5,469.54 and 2,960.10

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Solution

The fourth proportional to 3,966.18, 5,469.54 and 2,960.10 is: 4,082.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.18 : 5,469.54 = 2,960.10 : x
  2. Step 2: Convert to fraction form
    3,966.18/5,469.54 = 2,960.10/x
  3. Step 3: Cross multiply
    3,966.18x = 5,469.54 × 2,960.10
  4. Step 4: Simplify right side
    3,966.18x = 16,190,385.35
  5. Step 5: Solve for x
    x = 16,190,385.35/3,966.18
  6. Step 6: Final answer
    x = 4,082.11

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1.5x scale

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.