Home / 2,889.19-4,334.43-914.94

Finding the Fourth Proportional to 2,889.19, 4,334.43 and 914.94

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Solution

The fourth proportional to 2,889.19, 4,334.43 and 914.94 is: 1,372.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.19 : 4,334.43 = 914.94 : x
  2. Step 2: Convert to fraction form
    2,889.19/4,334.43 = 914.94/x
  3. Step 3: Cross multiply
    2,889.19x = 4,334.43 × 914.94
  4. Step 4: Simplify right side
    2,889.19x = 3,965,724.00
  5. Step 5: Solve for x
    x = 3,965,724.00/2,889.19
  6. Step 6: Final answer
    x = 1,372.61

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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.