Home / 2,190.36-3,023.57-1,481.87

Finding the Fourth Proportional to 2,190.36, 3,023.57 and 1,481.87

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Solution

The fourth proportional to 2,190.36, 3,023.57 and 1,481.87 is: 2,045.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.36 : 3,023.57 = 1,481.87 : x
  2. Step 2: Convert to fraction form
    2,190.36/3,023.57 = 1,481.87/x
  3. Step 3: Cross multiply
    2,190.36x = 3,023.57 × 1,481.87
  4. Step 4: Simplify right side
    2,190.36x = 4,480,515.15
  5. Step 5: Solve for x
    x = 4,480,515.15/2,190.36
  6. Step 6: Final answer
    x = 2,045.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.