Home / 3,208.76-4,426.86-2,371.48

Finding the Fourth Proportional to 3,208.76, 4,426.86 and 2,371.48

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Solution

The fourth proportional to 3,208.76, 4,426.86 and 2,371.48 is: 3,271.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.76 : 4,426.86 = 2,371.48 : x
  2. Step 2: Convert to fraction form
    3,208.76/4,426.86 = 2,371.48/x
  3. Step 3: Cross multiply
    3,208.76x = 4,426.86 × 2,371.48
  4. Step 4: Simplify right side
    3,208.76x = 10,498,209.95
  5. Step 5: Solve for x
    x = 10,498,209.95/3,208.76
  6. Step 6: Final answer
    x = 3,271.73

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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.