Home / 2,611.26-3,915.66-1,515.93

Finding the Fourth Proportional to 2,611.26, 3,915.66 and 1,515.93

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Solution

The fourth proportional to 2,611.26, 3,915.66 and 1,515.93 is: 2,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.26 : 3,915.66 = 1,515.93 : x
  2. Step 2: Convert to fraction form
    2,611.26/3,915.66 = 1,515.93/x
  3. Step 3: Cross multiply
    2,611.26x = 3,915.66 × 1,515.93
  4. Step 4: Simplify right side
    2,611.26x = 5,935,866.46
  5. Step 5: Solve for x
    x = 5,935,866.46/2,611.26
  6. Step 6: Final answer
    x = 2,273.18

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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.