Home / 2,190.24-3,285.26-546.75

Finding the Fourth Proportional to 2,190.24, 3,285.26 and 546.75

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Solution

The fourth proportional to 2,190.24, 3,285.26 and 546.75 is: 820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.24 : 3,285.26 = 546.75 : x
  2. Step 2: Convert to fraction form
    2,190.24/3,285.26 = 546.75/x
  3. Step 3: Cross multiply
    2,190.24x = 3,285.26 × 546.75
  4. Step 4: Simplify right side
    2,190.24x = 1,796,215.22
  5. Step 5: Solve for x
    x = 1,796,215.22/2,190.24
  6. Step 6: Final answer
    x = 820.10

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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.