Home / 1,915.73-2,873.62-1,049.57

Finding the Fourth Proportional to 1,915.73, 2,873.62 and 1,049.57

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Solution

The fourth proportional to 1,915.73, 2,873.62 and 1,049.57 is: 1,574.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915.73 : 2,873.62 = 1,049.57 : x
  2. Step 2: Convert to fraction form
    1,915.73/2,873.62 = 1,049.57/x
  3. Step 3: Cross multiply
    1,915.73x = 2,873.62 × 1,049.57
  4. Step 4: Simplify right side
    1,915.73x = 3,016,069.90
  5. Step 5: Solve for x
    x = 3,016,069.90/1,915.73
  6. Step 6: Final answer
    x = 1,574.37

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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.