Home / 2,189.44-3,276.84-1,364.84

Finding the Fourth Proportional to 2,189.44, 3,276.84 and 1,364.84

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Solution

The fourth proportional to 2,189.44, 3,276.84 and 1,364.84 is: 2,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189.44 : 3,276.84 = 1,364.84 : x
  2. Step 2: Convert to fraction form
    2,189.44/3,276.84 = 1,364.84/x
  3. Step 3: Cross multiply
    2,189.44x = 3,276.84 × 1,364.84
  4. Step 4: Simplify right side
    2,189.44x = 4,472,362.31
  5. Step 5: Solve for x
    x = 4,472,362.31/2,189.44
  6. Step 6: Final answer
    x = 2,042.70

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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.