Home / 2,190.49-3,281.64-1,093.57

Finding the Fourth Proportional to 2,190.49, 3,281.64 and 1,093.57

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Solution

The fourth proportional to 2,190.49, 3,281.64 and 1,093.57 is: 1,638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.49 : 3,281.64 = 1,093.57 : x
  2. Step 2: Convert to fraction form
    2,190.49/3,281.64 = 1,093.57/x
  3. Step 3: Cross multiply
    2,190.49x = 3,281.64 × 1,093.57
  4. Step 4: Simplify right side
    2,190.49x = 3,588,703.05
  5. Step 5: Solve for x
    x = 3,588,703.05/2,190.49
  6. Step 6: Final answer
    x = 1,638.31

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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.