Home / 1,786.90-2,466.97-1,314.42

Finding the Fourth Proportional to 1,786.90, 2,466.97 and 1,314.42

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Solution

The fourth proportional to 1,786.90, 2,466.97 and 1,314.42 is: 1,814.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.90 : 2,466.97 = 1,314.42 : x
  2. Step 2: Convert to fraction form
    1,786.90/2,466.97 = 1,314.42/x
  3. Step 3: Cross multiply
    1,786.90x = 2,466.97 × 1,314.42
  4. Step 4: Simplify right side
    1,786.90x = 3,242,634.71
  5. Step 5: Solve for x
    x = 3,242,634.71/1,786.90
  6. Step 6: Final answer
    x = 1,814.67

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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.