Home / 3,192.08-4,786.16-1,242

Finding the Fourth Proportional to 3,192.08, 4,786.16 and 1,242

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Solution

The fourth proportional to 3,192.08, 4,786.16 and 1,242 is: 1,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.08 : 4,786.16 = 1,242 : x
  2. Step 2: Convert to fraction form
    3,192.08/4,786.16 = 1,242/x
  3. Step 3: Cross multiply
    3,192.08x = 4,786.16 × 1,242
  4. Step 4: Simplify right side
    3,192.08x = 5,944,404.51
  5. Step 5: Solve for x
    x = 5,944,404.51/3,192.08
  6. Step 6: Final answer
    x = 1,862.24

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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.