Home / 2,195.14-3,029.37-1,200.36

Finding the Fourth Proportional to 2,195.14, 3,029.37 and 1,200.36

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Solution

The fourth proportional to 2,195.14, 3,029.37 and 1,200.36 is: 1,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.14 : 3,029.37 = 1,200.36 : x
  2. Step 2: Convert to fraction form
    2,195.14/3,029.37 = 1,200.36/x
  3. Step 3: Cross multiply
    2,195.14x = 3,029.37 × 1,200.36
  4. Step 4: Simplify right side
    2,195.14x = 3,636,334.57
  5. Step 5: Solve for x
    x = 3,636,334.57/2,195.14
  6. Step 6: Final answer
    x = 1,656.54

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1.5x scale

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.