Home / 2,229.87-3,346.83-1,190.76

Finding the Fourth Proportional to 2,229.87, 3,346.83 and 1,190.76

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Solution

The fourth proportional to 2,229.87, 3,346.83 and 1,190.76 is: 1,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.87 : 3,346.83 = 1,190.76 : x
  2. Step 2: Convert to fraction form
    2,229.87/3,346.83 = 1,190.76/x
  3. Step 3: Cross multiply
    2,229.87x = 3,346.83 × 1,190.76
  4. Step 4: Simplify right side
    2,229.87x = 3,985,271.29
  5. Step 5: Solve for x
    x = 3,985,271.29/2,229.87
  6. Step 6: Final answer
    x = 1,787.22

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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.