Home / 3,782.58-5,219.19-2,210.37

Finding the Fourth Proportional to 3,782.58, 5,219.19 and 2,210.37

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Solution

The fourth proportional to 3,782.58, 5,219.19 and 2,210.37 is: 3,049.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.58 : 5,219.19 = 2,210.37 : x
  2. Step 2: Convert to fraction form
    3,782.58/5,219.19 = 2,210.37/x
  3. Step 3: Cross multiply
    3,782.58x = 5,219.19 × 2,210.37
  4. Step 4: Simplify right side
    3,782.58x = 11,536,314.90
  5. Step 5: Solve for x
    x = 11,536,314.90/3,782.58
  6. Step 6: Final answer
    x = 3,049.86

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Half scale
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Double scale
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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.