Home / 3,454.44-5,181.66-1,374.30

Finding the Fourth Proportional to 3,454.44, 5,181.66 and 1,374.30

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Solution

The fourth proportional to 3,454.44, 5,181.66 and 1,374.30 is: 2,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.44 : 5,181.66 = 1,374.30 : x
  2. Step 2: Convert to fraction form
    3,454.44/5,181.66 = 1,374.30/x
  3. Step 3: Cross multiply
    3,454.44x = 5,181.66 × 1,374.30
  4. Step 4: Simplify right side
    3,454.44x = 7,121,155.34
  5. Step 5: Solve for x
    x = 7,121,155.34/3,454.44
  6. Step 6: Final answer
    x = 2,061.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.