Home / 3,520.41-5,285.81-1,963.46

Finding the Fourth Proportional to 3,520.41, 5,285.81 and 1,963.46

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Solution

The fourth proportional to 3,520.41, 5,285.81 and 1,963.46 is: 2,948.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.41 : 5,285.81 = 1,963.46 : x
  2. Step 2: Convert to fraction form
    3,520.41/5,285.81 = 1,963.46/x
  3. Step 3: Cross multiply
    3,520.41x = 5,285.81 × 1,963.46
  4. Step 4: Simplify right side
    3,520.41x = 10,378,453.85
  5. Step 5: Solve for x
    x = 10,378,453.85/3,520.41
  6. Step 6: Final answer
    x = 2,948.08

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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.