Home / 1,661.19-2,484.94-1,365.36

Finding the Fourth Proportional to 1,661.19, 2,484.94 and 1,365.36

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Solution

The fourth proportional to 1,661.19, 2,484.94 and 1,365.36 is: 2,042.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661.19 : 2,484.94 = 1,365.36 : x
  2. Step 2: Convert to fraction form
    1,661.19/2,484.94 = 1,365.36/x
  3. Step 3: Cross multiply
    1,661.19x = 2,484.94 × 1,365.36
  4. Step 4: Simplify right side
    1,661.19x = 3,392,837.68
  5. Step 5: Solve for x
    x = 3,392,837.68/1,661.19
  6. Step 6: Final answer
    x = 2,042.41

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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.