Home / 3,255.45-4,881.30-2,866.24

Finding the Fourth Proportional to 3,255.45, 4,881.30 and 2,866.24

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Solution

The fourth proportional to 3,255.45, 4,881.30 and 2,866.24 is: 4,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.45 : 4,881.30 = 2,866.24 : x
  2. Step 2: Convert to fraction form
    3,255.45/4,881.30 = 2,866.24/x
  3. Step 3: Cross multiply
    3,255.45x = 4,881.30 × 2,866.24
  4. Step 4: Simplify right side
    3,255.45x = 13,990,961.33
  5. Step 5: Solve for x
    x = 13,990,961.33/3,255.45
  6. Step 6: Final answer
    x = 4,297.70

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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.