Home / 1,786.24-2,461.36-1,608.88

Finding the Fourth Proportional to 1,786.24, 2,461.36 and 1,608.88

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Solution

The fourth proportional to 1,786.24, 2,461.36 and 1,608.88 is: 2,216.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.24 : 2,461.36 = 1,608.88 : x
  2. Step 2: Convert to fraction form
    1,786.24/2,461.36 = 1,608.88/x
  3. Step 3: Cross multiply
    1,786.24x = 2,461.36 × 1,608.88
  4. Step 4: Simplify right side
    1,786.24x = 3,960,032.88
  5. Step 5: Solve for x
    x = 3,960,032.88/1,786.24
  6. Step 6: Final answer
    x = 2,216.97

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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.