Home / 2,830.60-3,906.22-1,651.44

Finding the Fourth Proportional to 2,830.60, 3,906.22 and 1,651.44

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Solution

The fourth proportional to 2,830.60, 3,906.22 and 1,651.44 is: 2,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.60 : 3,906.22 = 1,651.44 : x
  2. Step 2: Convert to fraction form
    2,830.60/3,906.22 = 1,651.44/x
  3. Step 3: Cross multiply
    2,830.60x = 3,906.22 × 1,651.44
  4. Step 4: Simplify right side
    2,830.60x = 6,450,883.83
  5. Step 5: Solve for x
    x = 6,450,883.83/2,830.60
  6. Step 6: Final answer
    x = 2,278.98

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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.