Home / 2,067.19-2,855.15-1,367.35

Finding the Fourth Proportional to 2,067.19, 2,855.15 and 1,367.35

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Solution

The fourth proportional to 2,067.19, 2,855.15 and 1,367.35 is: 1,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.19 : 2,855.15 = 1,367.35 : x
  2. Step 2: Convert to fraction form
    2,067.19/2,855.15 = 1,367.35/x
  3. Step 3: Cross multiply
    2,067.19x = 2,855.15 × 1,367.35
  4. Step 4: Simplify right side
    2,067.19x = 3,903,980.51
  5. Step 5: Solve for x
    x = 3,903,980.51/2,067.19
  6. Step 6: Final answer
    x = 1,888.55

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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.