Home / 2,891.24-4,339.44-1,333.64

Finding the Fourth Proportional to 2,891.24, 4,339.44 and 1,333.64

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Solution

The fourth proportional to 2,891.24, 4,339.44 and 1,333.64 is: 2,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.24 : 4,339.44 = 1,333.64 : x
  2. Step 2: Convert to fraction form
    2,891.24/4,339.44 = 1,333.64/x
  3. Step 3: Cross multiply
    2,891.24x = 4,339.44 × 1,333.64
  4. Step 4: Simplify right side
    2,891.24x = 5,787,250.76
  5. Step 5: Solve for x
    x = 5,787,250.76/2,891.24
  6. Step 6: Final answer
    x = 2,001.65

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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.