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Finding the Fourth Proportional to 2,896.96, 4,019.04 and 2,793.28

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Solution

The fourth proportional to 2,896.96, 4,019.04 and 2,793.28 is: 3,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.96 : 4,019.04 = 2,793.28 : x
  2. Step 2: Convert to fraction form
    2,896.96/4,019.04 = 2,793.28/x
  3. Step 3: Cross multiply
    2,896.96x = 4,019.04 × 2,793.28
  4. Step 4: Simplify right side
    2,896.96x = 11,226,304.05
  5. Step 5: Solve for x
    x = 11,226,304.05/2,896.96
  6. Step 6: Final answer
    x = 3,875.20

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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.