Home / 1,853.80-2,557.74-1,067.68

Finding the Fourth Proportional to 1,853.80, 2,557.74 and 1,067.68

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Solution

The fourth proportional to 1,853.80, 2,557.74 and 1,067.68 is: 1,473.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.80 : 2,557.74 = 1,067.68 : x
  2. Step 2: Convert to fraction form
    1,853.80/2,557.74 = 1,067.68/x
  3. Step 3: Cross multiply
    1,853.80x = 2,557.74 × 1,067.68
  4. Step 4: Simplify right side
    1,853.80x = 2,730,847.84
  5. Step 5: Solve for x
    x = 2,730,847.84/1,853.80
  6. Step 6: Final answer
    x = 1,473.11

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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.