Home / 4,076.84-5,629.20-2,660.96

Finding the Fourth Proportional to 4,076.84, 5,629.20 and 2,660.96

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Solution

The fourth proportional to 4,076.84, 5,629.20 and 2,660.96 is: 3,674.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.84 : 5,629.20 = 2,660.96 : x
  2. Step 2: Convert to fraction form
    4,076.84/5,629.20 = 2,660.96/x
  3. Step 3: Cross multiply
    4,076.84x = 5,629.20 × 2,660.96
  4. Step 4: Simplify right side
    4,076.84x = 14,979,076.03
  5. Step 5: Solve for x
    x = 14,979,076.03/4,076.84
  6. Step 6: Final answer
    x = 3,674.19

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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.