Home / 1,086.41-1,630.97-1,036.77

Finding the Fourth Proportional to 1,086.41, 1,630.97 and 1,036.77

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Solution

The fourth proportional to 1,086.41, 1,630.97 and 1,036.77 is: 1,556.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086.41 : 1,630.97 = 1,036.77 : x
  2. Step 2: Convert to fraction form
    1,086.41/1,630.97 = 1,036.77/x
  3. Step 3: Cross multiply
    1,086.41x = 1,630.97 × 1,036.77
  4. Step 4: Simplify right side
    1,086.41x = 1,690,933.35
  5. Step 5: Solve for x
    x = 1,690,933.35/1,086.41
  6. Step 6: Final answer
    x = 1,556.44

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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.