Home / 1,086.80-1,633.67-1,010.75

Finding the Fourth Proportional to 1,086.80, 1,633.67 and 1,010.75

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Solution

The fourth proportional to 1,086.80, 1,633.67 and 1,010.75 is: 1,519.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086.80 : 1,633.67 = 1,010.75 : x
  2. Step 2: Convert to fraction form
    1,086.80/1,633.67 = 1,010.75/x
  3. Step 3: Cross multiply
    1,086.80x = 1,633.67 × 1,010.75
  4. Step 4: Simplify right side
    1,086.80x = 1,651,231.95
  5. Step 5: Solve for x
    x = 1,651,231.95/1,086.80
  6. Step 6: Final answer
    x = 1,519.35

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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.