Home / 2,889.23-4,336.28-1,247.03

Finding the Fourth Proportional to 2,889.23, 4,336.28 and 1,247.03

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Solution

The fourth proportional to 2,889.23, 4,336.28 and 1,247.03 is: 1,871.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.23 : 4,336.28 = 1,247.03 : x
  2. Step 2: Convert to fraction form
    2,889.23/4,336.28 = 1,247.03/x
  3. Step 3: Cross multiply
    2,889.23x = 4,336.28 × 1,247.03
  4. Step 4: Simplify right side
    2,889.23x = 5,407,443.33
  5. Step 5: Solve for x
    x = 5,407,443.33/2,889.23
  6. Step 6: Final answer
    x = 1,871.59

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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.