Home / 3,044.64-4,218.78-2,976.60

Finding the Fourth Proportional to 3,044.64, 4,218.78 and 2,976.60

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Solution

The fourth proportional to 3,044.64, 4,218.78 and 2,976.60 is: 4,124.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,044.64 : 4,218.78 = 2,976.60 : x
  2. Step 2: Convert to fraction form
    3,044.64/4,218.78 = 2,976.60/x
  3. Step 3: Cross multiply
    3,044.64x = 4,218.78 × 2,976.60
  4. Step 4: Simplify right side
    3,044.64x = 12,557,620.55
  5. Step 5: Solve for x
    x = 12,557,620.55/3,044.64
  6. Step 6: Final answer
    x = 4,124.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.