Home / 2,190.05-3,285.08-1,454.37

Finding the Fourth Proportional to 2,190.05, 3,285.08 and 1,454.37

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Solution

The fourth proportional to 2,190.05, 3,285.08 and 1,454.37 is: 2,181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.05 : 3,285.08 = 1,454.37 : x
  2. Step 2: Convert to fraction form
    2,190.05/3,285.08 = 1,454.37/x
  3. Step 3: Cross multiply
    2,190.05x = 3,285.08 × 1,454.37
  4. Step 4: Simplify right side
    2,190.05x = 4,777,725.44
  5. Step 5: Solve for x
    x = 4,777,725.44/2,190.05
  6. Step 6: Final answer
    x = 2,181.56

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1.5x scale

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.