Home / 3,679.37-5,077.57-2,107.43

Finding the Fourth Proportional to 3,679.37, 5,077.57 and 2,107.43

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Solution

The fourth proportional to 3,679.37, 5,077.57 and 2,107.43 is: 2,908.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.37 : 5,077.57 = 2,107.43 : x
  2. Step 2: Convert to fraction form
    3,679.37/5,077.57 = 2,107.43/x
  3. Step 3: Cross multiply
    3,679.37x = 5,077.57 × 2,107.43
  4. Step 4: Simplify right side
    3,679.37x = 10,700,623.35
  5. Step 5: Solve for x
    x = 10,700,623.35/3,679.37
  6. Step 6: Final answer
    x = 2,908.28

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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.