Home / 2,193.37-3,290-1,022.11

Finding the Fourth Proportional to 2,193.37, 3,290 and 1,022.11

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Solution

The fourth proportional to 2,193.37, 3,290 and 1,022.11 is: 1,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.37 : 3,290 = 1,022.11 : x
  2. Step 2: Convert to fraction form
    2,193.37/3,290 = 1,022.11/x
  3. Step 3: Cross multiply
    2,193.37x = 3,290 × 1,022.11
  4. Step 4: Simplify right side
    2,193.37x = 3,362,741.90
  5. Step 5: Solve for x
    x = 3,362,741.90/2,193.37
  6. Step 6: Final answer
    x = 1,533.14

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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.