Home / 3,528.46-5,288.05-1,969.20

Finding the Fourth Proportional to 3,528.46, 5,288.05 and 1,969.20

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Solution

The fourth proportional to 3,528.46, 5,288.05 and 1,969.20 is: 2,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.46 : 5,288.05 = 1,969.20 : x
  2. Step 2: Convert to fraction form
    3,528.46/5,288.05 = 1,969.20/x
  3. Step 3: Cross multiply
    3,528.46x = 5,288.05 × 1,969.20
  4. Step 4: Simplify right side
    3,528.46x = 10,413,228.06
  5. Step 5: Solve for x
    x = 10,413,228.06/3,528.46
  6. Step 6: Final answer
    x = 2,951.21

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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.