Home / 3,042.32-4,198.74-1,716.36

Finding the Fourth Proportional to 3,042.32, 4,198.74 and 1,716.36

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Solution

The fourth proportional to 3,042.32, 4,198.74 and 1,716.36 is: 2,368.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.32 : 4,198.74 = 1,716.36 : x
  2. Step 2: Convert to fraction form
    3,042.32/4,198.74 = 1,716.36/x
  3. Step 3: Cross multiply
    3,042.32x = 4,198.74 × 1,716.36
  4. Step 4: Simplify right side
    3,042.32x = 7,206,549.39
  5. Step 5: Solve for x
    x = 7,206,549.39/3,042.32
  6. Step 6: Final answer
    x = 2,368.77

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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.