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Finding the Fourth Proportional to 2,896.55, 4,344.42 and 948.50

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Solution

The fourth proportional to 2,896.55, 4,344.42 and 948.50 is: 1,422.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.55 : 4,344.42 = 948.50 : x
  2. Step 2: Convert to fraction form
    2,896.55/4,344.42 = 948.50/x
  3. Step 3: Cross multiply
    2,896.55x = 4,344.42 × 948.50
  4. Step 4: Simplify right side
    2,896.55x = 4,120,682.37
  5. Step 5: Solve for x
    x = 4,120,682.37/2,896.55
  6. Step 6: Final answer
    x = 1,422.62

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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.