Home / 3,371.78-5,059.83-1,639.46

Finding the Fourth Proportional to 3,371.78, 5,059.83 and 1,639.46

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Solution

The fourth proportional to 3,371.78, 5,059.83 and 1,639.46 is: 2,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.78 : 5,059.83 = 1,639.46 : x
  2. Step 2: Convert to fraction form
    3,371.78/5,059.83 = 1,639.46/x
  3. Step 3: Cross multiply
    3,371.78x = 5,059.83 × 1,639.46
  4. Step 4: Simplify right side
    3,371.78x = 8,295,388.89
  5. Step 5: Solve for x
    x = 8,295,388.89/3,371.78
  6. Step 6: Final answer
    x = 2,460.24

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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.