Home / 2,889.05-4,336.04-1,135.28

Finding the Fourth Proportional to 2,889.05, 4,336.04 and 1,135.28

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Solution

The fourth proportional to 2,889.05, 4,336.04 and 1,135.28 is: 1,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.05 : 4,336.04 = 1,135.28 : x
  2. Step 2: Convert to fraction form
    2,889.05/4,336.04 = 1,135.28/x
  3. Step 3: Cross multiply
    2,889.05x = 4,336.04 × 1,135.28
  4. Step 4: Simplify right side
    2,889.05x = 4,922,626.78
  5. Step 5: Solve for x
    x = 4,922,626.78/2,889.05
  6. Step 6: Final answer
    x = 1,703.89

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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.