Home / 3,063.60-4,228.71-2,906.85

Finding the Fourth Proportional to 3,063.60, 4,228.71 and 2,906.85

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Solution

The fourth proportional to 3,063.60, 4,228.71 and 2,906.85 is: 4,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,063.60 : 4,228.71 = 2,906.85 : x
  2. Step 2: Convert to fraction form
    3,063.60/4,228.71 = 2,906.85/x
  3. Step 3: Cross multiply
    3,063.60x = 4,228.71 × 2,906.85
  4. Step 4: Simplify right side
    3,063.60x = 12,292,225.66
  5. Step 5: Solve for x
    x = 12,292,225.66/3,063.60
  6. Step 6: Final answer
    x = 4,012.35

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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.