Home / 2,190.19-3,282.09-1,408.34

Finding the Fourth Proportional to 2,190.19, 3,282.09 and 1,408.34

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Solution

The fourth proportional to 2,190.19, 3,282.09 and 1,408.34 is: 2,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.19 : 3,282.09 = 1,408.34 : x
  2. Step 2: Convert to fraction form
    2,190.19/3,282.09 = 1,408.34/x
  3. Step 3: Cross multiply
    2,190.19x = 3,282.09 × 1,408.34
  4. Step 4: Simplify right side
    2,190.19x = 4,622,294.98
  5. Step 5: Solve for x
    x = 4,622,294.98/2,190.19
  6. Step 6: Final answer
    x = 2,110.45

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1.5x scale

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.