Home / 2,786.16-4,174.92-1,758

Finding the Fourth Proportional to 2,786.16, 4,174.92 and 1,758

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Solution

The fourth proportional to 2,786.16, 4,174.92 and 1,758 is: 2,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.16 : 4,174.92 = 1,758 : x
  2. Step 2: Convert to fraction form
    2,786.16/4,174.92 = 1,758/x
  3. Step 3: Cross multiply
    2,786.16x = 4,174.92 × 1,758
  4. Step 4: Simplify right side
    2,786.16x = 7,339,509.36
  5. Step 5: Solve for x
    x = 7,339,509.36/2,786.16
  6. Step 6: Final answer
    x = 2,634.27

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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.