Home / 3,107.33-4,287.64-1,847.96

Finding the Fourth Proportional to 3,107.33, 4,287.64 and 1,847.96

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Solution

The fourth proportional to 3,107.33, 4,287.64 and 1,847.96 is: 2,549.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.33 : 4,287.64 = 1,847.96 : x
  2. Step 2: Convert to fraction form
    3,107.33/4,287.64 = 1,847.96/x
  3. Step 3: Cross multiply
    3,107.33x = 4,287.64 × 1,847.96
  4. Step 4: Simplify right side
    3,107.33x = 7,923,356.54
  5. Step 5: Solve for x
    x = 7,923,356.54/3,107.33
  6. Step 6: Final answer
    x = 2,549.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.