Home / 2,195.18-3,027.92-1,478.58

Finding the Fourth Proportional to 2,195.18, 3,027.92 and 1,478.58

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Solution

The fourth proportional to 2,195.18, 3,027.92 and 1,478.58 is: 2,039.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.18 : 3,027.92 = 1,478.58 : x
  2. Step 2: Convert to fraction form
    2,195.18/3,027.92 = 1,478.58/x
  3. Step 3: Cross multiply
    2,195.18x = 3,027.92 × 1,478.58
  4. Step 4: Simplify right side
    2,195.18x = 4,477,021.95
  5. Step 5: Solve for x
    x = 4,477,021.95/2,195.18
  6. Step 6: Final answer
    x = 2,039.48

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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.