Home / 3,192.19-4,790.45-1,112.19

Finding the Fourth Proportional to 3,192.19, 4,790.45 and 1,112.19

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Solution

The fourth proportional to 3,192.19, 4,790.45 and 1,112.19 is: 1,669.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.19 : 4,790.45 = 1,112.19 : x
  2. Step 2: Convert to fraction form
    3,192.19/4,790.45 = 1,112.19/x
  3. Step 3: Cross multiply
    3,192.19x = 4,790.45 × 1,112.19
  4. Step 4: Simplify right side
    3,192.19x = 5,327,866.63
  5. Step 5: Solve for x
    x = 5,327,866.63/3,192.19
  6. Step 6: Final answer
    x = 1,669.03

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1.5x scale

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.