Home / 2,219.24-3,331.74-1,453.16

Finding the Fourth Proportional to 2,219.24, 3,331.74 and 1,453.16

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Solution

The fourth proportional to 2,219.24, 3,331.74 and 1,453.16 is: 2,181.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.24 : 3,331.74 = 1,453.16 : x
  2. Step 2: Convert to fraction form
    2,219.24/3,331.74 = 1,453.16/x
  3. Step 3: Cross multiply
    2,219.24x = 3,331.74 × 1,453.16
  4. Step 4: Simplify right side
    2,219.24x = 4,841,551.30
  5. Step 5: Solve for x
    x = 4,841,551.30/2,219.24
  6. Step 6: Final answer
    x = 2,181.63

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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.