Home / 2,847.93-4,270.02-1,286.28

Finding the Fourth Proportional to 2,847.93, 4,270.02 and 1,286.28

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Solution

The fourth proportional to 2,847.93, 4,270.02 and 1,286.28 is: 1,928.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.93 : 4,270.02 = 1,286.28 : x
  2. Step 2: Convert to fraction form
    2,847.93/4,270.02 = 1,286.28/x
  3. Step 3: Cross multiply
    2,847.93x = 4,270.02 × 1,286.28
  4. Step 4: Simplify right side
    2,847.93x = 5,492,441.33
  5. Step 5: Solve for x
    x = 5,492,441.33/2,847.93
  6. Step 6: Final answer
    x = 1,928.57

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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.