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Finding the Fourth Proportional to 2,827.44, 4,243.44 and 1,949.40

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Solution

The fourth proportional to 2,827.44, 4,243.44 and 1,949.40 is: 2,925.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.44 : 4,243.44 = 1,949.40 : x
  2. Step 2: Convert to fraction form
    2,827.44/4,243.44 = 1,949.40/x
  3. Step 3: Cross multiply
    2,827.44x = 4,243.44 × 1,949.40
  4. Step 4: Simplify right side
    2,827.44x = 8,272,161.94
  5. Step 5: Solve for x
    x = 8,272,161.94/2,827.44
  6. Step 6: Final answer
    x = 2,925.67

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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.