Home / 2,786.24-4,174.24-1,746.05

Finding the Fourth Proportional to 2,786.24, 4,174.24 and 1,746.05

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Solution

The fourth proportional to 2,786.24, 4,174.24 and 1,746.05 is: 2,615.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.24 : 4,174.24 = 1,746.05 : x
  2. Step 2: Convert to fraction form
    2,786.24/4,174.24 = 1,746.05/x
  3. Step 3: Cross multiply
    2,786.24x = 4,174.24 × 1,746.05
  4. Step 4: Simplify right side
    2,786.24x = 7,288,412.59
  5. Step 5: Solve for x
    x = 7,288,412.59/2,786.24
  6. Step 6: Final answer
    x = 2,615.86

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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.