Home / 2,228.94-3,349.46-1,189.66

Finding the Fourth Proportional to 2,228.94, 3,349.46 and 1,189.66

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Solution

The fourth proportional to 2,228.94, 3,349.46 and 1,189.66 is: 1,787.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.94 : 3,349.46 = 1,189.66 : x
  2. Step 2: Convert to fraction form
    2,228.94/3,349.46 = 1,189.66/x
  3. Step 3: Cross multiply
    2,228.94x = 3,349.46 × 1,189.66
  4. Step 4: Simplify right side
    2,228.94x = 3,984,718.58
  5. Step 5: Solve for x
    x = 3,984,718.58/2,228.94
  6. Step 6: Final answer
    x = 1,787.72

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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.