Home / 2,771.33-4,158.08-1,231.25

Finding the Fourth Proportional to 2,771.33, 4,158.08 and 1,231.25

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Solution

The fourth proportional to 2,771.33, 4,158.08 and 1,231.25 is: 1,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.33 : 4,158.08 = 1,231.25 : x
  2. Step 2: Convert to fraction form
    2,771.33/4,158.08 = 1,231.25/x
  3. Step 3: Cross multiply
    2,771.33x = 4,158.08 × 1,231.25
  4. Step 4: Simplify right side
    2,771.33x = 5,119,629.84
  5. Step 5: Solve for x
    x = 5,119,629.84/2,771.33
  6. Step 6: Final answer
    x = 1,847.35

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1.5x scale

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.