Home / 3,049.60-4,208.79-2,551.36

Finding the Fourth Proportional to 3,049.60, 4,208.79 and 2,551.36

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Solution

The fourth proportional to 3,049.60, 4,208.79 and 2,551.36 is: 3,521.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.60 : 4,208.79 = 2,551.36 : x
  2. Step 2: Convert to fraction form
    3,049.60/4,208.79 = 2,551.36/x
  3. Step 3: Cross multiply
    3,049.60x = 4,208.79 × 2,551.36
  4. Step 4: Simplify right side
    3,049.60x = 10,738,138.45
  5. Step 5: Solve for x
    x = 10,738,138.45/3,049.60
  6. Step 6: Final answer
    x = 3,521.16

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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.