Home / 2,318.77-3,201.35-1,786.65

Finding the Fourth Proportional to 2,318.77, 3,201.35 and 1,786.65

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Solution

The fourth proportional to 2,318.77, 3,201.35 and 1,786.65 is: 2,466.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.77 : 3,201.35 = 1,786.65 : x
  2. Step 2: Convert to fraction form
    2,318.77/3,201.35 = 1,786.65/x
  3. Step 3: Cross multiply
    2,318.77x = 3,201.35 × 1,786.65
  4. Step 4: Simplify right side
    2,318.77x = 5,719,691.98
  5. Step 5: Solve for x
    x = 5,719,691.98/2,318.77
  6. Step 6: Final answer
    x = 2,466.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.