Home / 2,230.59-3,344.85-1,190.31

Finding the Fourth Proportional to 2,230.59, 3,344.85 and 1,190.31

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Solution

The fourth proportional to 2,230.59, 3,344.85 and 1,190.31 is: 1,784.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.59 : 3,344.85 = 1,190.31 : x
  2. Step 2: Convert to fraction form
    2,230.59/3,344.85 = 1,190.31/x
  3. Step 3: Cross multiply
    2,230.59x = 3,344.85 × 1,190.31
  4. Step 4: Simplify right side
    2,230.59x = 3,981,408.40
  5. Step 5: Solve for x
    x = 3,981,408.40/2,230.59
  6. Step 6: Final answer
    x = 1,784.91

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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.