Home / 3,722.72-5,137-2,230.36

Finding the Fourth Proportional to 3,722.72, 5,137 and 2,230.36

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Solution

The fourth proportional to 3,722.72, 5,137 and 2,230.36 is: 3,077.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.72 : 5,137 = 2,230.36 : x
  2. Step 2: Convert to fraction form
    3,722.72/5,137 = 2,230.36/x
  3. Step 3: Cross multiply
    3,722.72x = 5,137 × 2,230.36
  4. Step 4: Simplify right side
    3,722.72x = 11,457,359.32
  5. Step 5: Solve for x
    x = 11,457,359.32/3,722.72
  6. Step 6: Final answer
    x = 3,077.68

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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.