Home / 3,368.82-5,053.56-1,290.56

Finding the Fourth Proportional to 3,368.82, 5,053.56 and 1,290.56

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Solution

The fourth proportional to 3,368.82, 5,053.56 and 1,290.56 is: 1,935.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.82 : 5,053.56 = 1,290.56 : x
  2. Step 2: Convert to fraction form
    3,368.82/5,053.56 = 1,290.56/x
  3. Step 3: Cross multiply
    3,368.82x = 5,053.56 × 1,290.56
  4. Step 4: Simplify right side
    3,368.82x = 6,521,917.39
  5. Step 5: Solve for x
    x = 6,521,917.39/3,368.82
  6. Step 6: Final answer
    x = 1,935.97

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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.