Home / 3,049.26-4,208.40-2,551.20

Finding the Fourth Proportional to 3,049.26, 4,208.40 and 2,551.20

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Solution

The fourth proportional to 3,049.26, 4,208.40 and 2,551.20 is: 3,521.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.26 : 4,208.40 = 2,551.20 : x
  2. Step 2: Convert to fraction form
    3,049.26/4,208.40 = 2,551.20/x
  3. Step 3: Cross multiply
    3,049.26x = 4,208.40 × 2,551.20
  4. Step 4: Simplify right side
    3,049.26x = 10,736,470.08
  5. Step 5: Solve for x
    x = 10,736,470.08/3,049.26
  6. Step 6: Final answer
    x = 3,521.01

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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.