Home / 2,889.45-4,334.30-2,405.91

Finding the Fourth Proportional to 2,889.45, 4,334.30 and 2,405.91

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Solution

The fourth proportional to 2,889.45, 4,334.30 and 2,405.91 is: 3,608.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.45 : 4,334.30 = 2,405.91 : x
  2. Step 2: Convert to fraction form
    2,889.45/4,334.30 = 2,405.91/x
  3. Step 3: Cross multiply
    2,889.45x = 4,334.30 × 2,405.91
  4. Step 4: Simplify right side
    2,889.45x = 10,427,923.68
  5. Step 5: Solve for x
    x = 10,427,923.68/2,889.45
  6. Step 6: Final answer
    x = 3,608.96

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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.