Home / 3,915.29-5,873.56-1,282.03

Finding the Fourth Proportional to 3,915.29, 5,873.56 and 1,282.03

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Solution

The fourth proportional to 3,915.29, 5,873.56 and 1,282.03 is: 1,923.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.29 : 5,873.56 = 1,282.03 : x
  2. Step 2: Convert to fraction form
    3,915.29/5,873.56 = 1,282.03/x
  3. Step 3: Cross multiply
    3,915.29x = 5,873.56 × 1,282.03
  4. Step 4: Simplify right side
    3,915.29x = 7,530,069.45
  5. Step 5: Solve for x
    x = 7,530,069.45/3,915.29
  6. Step 6: Final answer
    x = 1,923.25

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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.