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Finding the Fourth Proportional to 2,793.30, 3,881.48 and 2,762.92

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Solution

The fourth proportional to 2,793.30, 3,881.48 and 2,762.92 is: 3,839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.30 : 3,881.48 = 2,762.92 : x
  2. Step 2: Convert to fraction form
    2,793.30/3,881.48 = 2,762.92/x
  3. Step 3: Cross multiply
    2,793.30x = 3,881.48 × 2,762.92
  4. Step 4: Simplify right side
    2,793.30x = 10,724,211.81
  5. Step 5: Solve for x
    x = 10,724,211.81/2,793.30
  6. Step 6: Final answer
    x = 3,839.27

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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.