Home / 2,150.12-3,224.36-1,175.70

Finding the Fourth Proportional to 2,150.12, 3,224.36 and 1,175.70

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Solution

The fourth proportional to 2,150.12, 3,224.36 and 1,175.70 is: 1,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.12 : 3,224.36 = 1,175.70 : x
  2. Step 2: Convert to fraction form
    2,150.12/3,224.36 = 1,175.70/x
  3. Step 3: Cross multiply
    2,150.12x = 3,224.36 × 1,175.70
  4. Step 4: Simplify right side
    2,150.12x = 3,790,880.05
  5. Step 5: Solve for x
    x = 3,790,880.05/2,150.12
  6. Step 6: Final answer
    x = 1,763.10

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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.