Home / 3,100.88-4,648.84-2,454.48

Finding the Fourth Proportional to 3,100.88, 4,648.84 and 2,454.48

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Solution

The fourth proportional to 3,100.88, 4,648.84 and 2,454.48 is: 3,679.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.88 : 4,648.84 = 2,454.48 : x
  2. Step 2: Convert to fraction form
    3,100.88/4,648.84 = 2,454.48/x
  3. Step 3: Cross multiply
    3,100.88x = 4,648.84 × 2,454.48
  4. Step 4: Simplify right side
    3,100.88x = 11,410,484.80
  5. Step 5: Solve for x
    x = 11,410,484.80/3,100.88
  6. Step 6: Final answer
    x = 3,679.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.