Home / 2,611.93-3,917.91-1,052.65

Finding the Fourth Proportional to 2,611.93, 3,917.91 and 1,052.65

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Solution

The fourth proportional to 2,611.93, 3,917.91 and 1,052.65 is: 1,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.93 : 3,917.91 = 1,052.65 : x
  2. Step 2: Convert to fraction form
    2,611.93/3,917.91 = 1,052.65/x
  3. Step 3: Cross multiply
    2,611.93x = 3,917.91 × 1,052.65
  4. Step 4: Simplify right side
    2,611.93x = 4,124,187.96
  5. Step 5: Solve for x
    x = 4,124,187.96/2,611.93
  6. Step 6: Final answer
    x = 1,578.98

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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.