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Finding the Fourth Proportional to 3,362.56, 4,640.44 and 1,850.18

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Solution

The fourth proportional to 3,362.56, 4,640.44 and 1,850.18 is: 2,553.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.56 : 4,640.44 = 1,850.18 : x
  2. Step 2: Convert to fraction form
    3,362.56/4,640.44 = 1,850.18/x
  3. Step 3: Cross multiply
    3,362.56x = 4,640.44 × 1,850.18
  4. Step 4: Simplify right side
    3,362.56x = 8,585,649.28
  5. Step 5: Solve for x
    x = 8,585,649.28/3,362.56
  6. Step 6: Final answer
    x = 2,553.31

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Half scale
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Double scale
Find fourth proportional to 3,363.56, 4,641.82 and 1,851.18
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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.