Home / 2,889.99-4,336.88-1,158.75

Finding the Fourth Proportional to 2,889.99, 4,336.88 and 1,158.75

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Solution

The fourth proportional to 2,889.99, 4,336.88 and 1,158.75 is: 1,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.99 : 4,336.88 = 1,158.75 : x
  2. Step 2: Convert to fraction form
    2,889.99/4,336.88 = 1,158.75/x
  3. Step 3: Cross multiply
    2,889.99x = 4,336.88 × 1,158.75
  4. Step 4: Simplify right side
    2,889.99x = 5,025,353.91
  5. Step 5: Solve for x
    x = 5,025,353.91/2,889.99
  6. Step 6: Final answer
    x = 1,738.88

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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.