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Finding the Fourth Proportional to 2,896.80, 4,343.92 and 844.32

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Solution

The fourth proportional to 2,896.80, 4,343.92 and 844.32 is: 1,266.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.80 : 4,343.92 = 844.32 : x
  2. Step 2: Convert to fraction form
    2,896.80/4,343.92 = 844.32/x
  3. Step 3: Cross multiply
    2,896.80x = 4,343.92 × 844.32
  4. Step 4: Simplify right side
    2,896.80x = 3,667,658.53
  5. Step 5: Solve for x
    x = 3,667,658.53/2,896.80
  6. Step 6: Final answer
    x = 1,266.11

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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.