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Finding the Fourth Proportional to 2,844.40, 4,266.40 and 896.52

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Solution

The fourth proportional to 2,844.40, 4,266.40 and 896.52 is: 1,344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.40 : 4,266.40 = 896.52 : x
  2. Step 2: Convert to fraction form
    2,844.40/4,266.40 = 896.52/x
  3. Step 3: Cross multiply
    2,844.40x = 4,266.40 × 896.52
  4. Step 4: Simplify right side
    2,844.40x = 3,824,912.93
  5. Step 5: Solve for x
    x = 3,824,912.93/2,844.40
  6. Step 6: Final answer
    x = 1,344.72

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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.