Home / 2,106.90-3,160.77-1,067.49

Finding the Fourth Proportional to 2,106.90, 3,160.77 and 1,067.49

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Solution

The fourth proportional to 2,106.90, 3,160.77 and 1,067.49 is: 1,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106.90 : 3,160.77 = 1,067.49 : x
  2. Step 2: Convert to fraction form
    2,106.90/3,160.77 = 1,067.49/x
  3. Step 3: Cross multiply
    2,106.90x = 3,160.77 × 1,067.49
  4. Step 4: Simplify right side
    2,106.90x = 3,374,090.37
  5. Step 5: Solve for x
    x = 3,374,090.37/2,106.90
  6. Step 6: Final answer
    x = 1,601.45

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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.