Home / 1,661.67-2,493.32-1,142.46

Finding the Fourth Proportional to 1,661.67, 2,493.32 and 1,142.46

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Solution

The fourth proportional to 1,661.67, 2,493.32 and 1,142.46 is: 1,714.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661.67 : 2,493.32 = 1,142.46 : x
  2. Step 2: Convert to fraction form
    1,661.67/2,493.32 = 1,142.46/x
  3. Step 3: Cross multiply
    1,661.67x = 2,493.32 × 1,142.46
  4. Step 4: Simplify right side
    1,661.67x = 2,848,512.65
  5. Step 5: Solve for x
    x = 2,848,512.65/1,661.67
  6. Step 6: Final answer
    x = 1,714.25

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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.