Home / 2,195.54-3,029.68-1,200.84

Finding the Fourth Proportional to 2,195.54, 3,029.68 and 1,200.84

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Solution

The fourth proportional to 2,195.54, 3,029.68 and 1,200.84 is: 1,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.54 : 3,029.68 = 1,200.84 : x
  2. Step 2: Convert to fraction form
    2,195.54/3,029.68 = 1,200.84/x
  3. Step 3: Cross multiply
    2,195.54x = 3,029.68 × 1,200.84
  4. Step 4: Simplify right side
    2,195.54x = 3,638,160.93
  5. Step 5: Solve for x
    x = 3,638,160.93/2,195.54
  6. Step 6: Final answer
    x = 1,657.07

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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.