Home / 3,800.19-5,245.53-2,228.25

Finding the Fourth Proportional to 3,800.19, 5,245.53 and 2,228.25

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Solution

The fourth proportional to 3,800.19, 5,245.53 and 2,228.25 is: 3,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.19 : 5,245.53 = 2,228.25 : x
  2. Step 2: Convert to fraction form
    3,800.19/5,245.53 = 2,228.25/x
  3. Step 3: Cross multiply
    3,800.19x = 5,245.53 × 2,228.25
  4. Step 4: Simplify right side
    3,800.19x = 11,688,352.22
  5. Step 5: Solve for x
    x = 11,688,352.22/3,800.19
  6. Step 6: Final answer
    x = 3,075.73

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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.