Home / 2,190.06-3,285.90-1,035

Finding the Fourth Proportional to 2,190.06, 3,285.90 and 1,035

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Solution

The fourth proportional to 2,190.06, 3,285.90 and 1,035 is: 1,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.06 : 3,285.90 = 1,035 : x
  2. Step 2: Convert to fraction form
    2,190.06/3,285.90 = 1,035/x
  3. Step 3: Cross multiply
    2,190.06x = 3,285.90 × 1,035
  4. Step 4: Simplify right side
    2,190.06x = 3,400,906.50
  5. Step 5: Solve for x
    x = 3,400,906.50/2,190.06
  6. Step 6: Final answer
    x = 1,552.88

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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.