Home / 3,161.35-4,740.82-1,052.58

Finding the Fourth Proportional to 3,161.35, 4,740.82 and 1,052.58

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Solution

The fourth proportional to 3,161.35, 4,740.82 and 1,052.58 is: 1,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.35 : 4,740.82 = 1,052.58 : x
  2. Step 2: Convert to fraction form
    3,161.35/4,740.82 = 1,052.58/x
  3. Step 3: Cross multiply
    3,161.35x = 4,740.82 × 1,052.58
  4. Step 4: Simplify right side
    3,161.35x = 4,990,092.32
  5. Step 5: Solve for x
    x = 4,990,092.32/3,161.35
  6. Step 6: Final answer
    x = 1,578.47

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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.