Home / 2,281.32-3,415.80-1,183.39

Finding the Fourth Proportional to 2,281.32, 3,415.80 and 1,183.39

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Solution

The fourth proportional to 2,281.32, 3,415.80 and 1,183.39 is: 1,771.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.32 : 3,415.80 = 1,183.39 : x
  2. Step 2: Convert to fraction form
    2,281.32/3,415.80 = 1,183.39/x
  3. Step 3: Cross multiply
    2,281.32x = 3,415.80 × 1,183.39
  4. Step 4: Simplify right side
    2,281.32x = 4,042,206.48
  5. Step 5: Solve for x
    x = 4,042,206.48/2,281.32
  6. Step 6: Final answer
    x = 1,771.87

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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.