Home / 3,672.54-5,068.78-2,181.26

Finding the Fourth Proportional to 3,672.54, 5,068.78 and 2,181.26

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Solution

The fourth proportional to 3,672.54, 5,068.78 and 2,181.26 is: 3,010.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.54 : 5,068.78 = 2,181.26 : x
  2. Step 2: Convert to fraction form
    3,672.54/5,068.78 = 2,181.26/x
  3. Step 3: Cross multiply
    3,672.54x = 5,068.78 × 2,181.26
  4. Step 4: Simplify right side
    3,672.54x = 11,056,334.28
  5. Step 5: Solve for x
    x = 11,056,334.28/3,672.54
  6. Step 6: Final answer
    x = 3,010.54

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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.