Home / 2,230.75-3,345.15-1,190.52

Finding the Fourth Proportional to 2,230.75, 3,345.15 and 1,190.52

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Solution

The fourth proportional to 2,230.75, 3,345.15 and 1,190.52 is: 1,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.75 : 3,345.15 = 1,190.52 : x
  2. Step 2: Convert to fraction form
    2,230.75/3,345.15 = 1,190.52/x
  3. Step 3: Cross multiply
    2,230.75x = 3,345.15 × 1,190.52
  4. Step 4: Simplify right side
    2,230.75x = 3,982,455.43
  5. Step 5: Solve for x
    x = 3,982,455.43/2,230.75
  6. Step 6: Final answer
    x = 1,785.26

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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.