Home / 3,966.48-5,474.33-2,287.56

Finding the Fourth Proportional to 3,966.48, 5,474.33 and 2,287.56

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Solution

The fourth proportional to 3,966.48, 5,474.33 and 2,287.56 is: 3,157.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.48 : 5,474.33 = 2,287.56 : x
  2. Step 2: Convert to fraction form
    3,966.48/5,474.33 = 2,287.56/x
  3. Step 3: Cross multiply
    3,966.48x = 5,474.33 × 2,287.56
  4. Step 4: Simplify right side
    3,966.48x = 12,522,846.90
  5. Step 5: Solve for x
    x = 12,522,846.90/3,966.48
  6. Step 6: Final answer
    x = 3,157.17

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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.