Home / 2,943.44-4,415.16-1,299.60

Finding the Fourth Proportional to 2,943.44, 4,415.16 and 1,299.60

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Solution

The fourth proportional to 2,943.44, 4,415.16 and 1,299.60 is: 1,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.44 : 4,415.16 = 1,299.60 : x
  2. Step 2: Convert to fraction form
    2,943.44/4,415.16 = 1,299.60/x
  3. Step 3: Cross multiply
    2,943.44x = 4,415.16 × 1,299.60
  4. Step 4: Simplify right side
    2,943.44x = 5,737,941.94
  5. Step 5: Solve for x
    x = 5,737,941.94/2,943.44
  6. Step 6: Final answer
    x = 1,949.40

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Similar ratio
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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.