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Finding the Fourth Proportional to 2,750.44, 4,125.66 and 901.54

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Solution

The fourth proportional to 2,750.44, 4,125.66 and 901.54 is: 1,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.44 : 4,125.66 = 901.54 : x
  2. Step 2: Convert to fraction form
    2,750.44/4,125.66 = 901.54/x
  3. Step 3: Cross multiply
    2,750.44x = 4,125.66 × 901.54
  4. Step 4: Simplify right side
    2,750.44x = 3,719,447.52
  5. Step 5: Solve for x
    x = 3,719,447.52/2,750.44
  6. Step 6: Final answer
    x = 1,352.31

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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.