Home / 2,954.52-4,431.14-1,639.56

Finding the Fourth Proportional to 2,954.52, 4,431.14 and 1,639.56

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Solution

The fourth proportional to 2,954.52, 4,431.14 and 1,639.56 is: 2,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.52 : 4,431.14 = 1,639.56 : x
  2. Step 2: Convert to fraction form
    2,954.52/4,431.14 = 1,639.56/x
  3. Step 3: Cross multiply
    2,954.52x = 4,431.14 × 1,639.56
  4. Step 4: Simplify right side
    2,954.52x = 7,265,119.90
  5. Step 5: Solve for x
    x = 7,265,119.90/2,954.52
  6. Step 6: Final answer
    x = 2,458.98

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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.