Home / 2,110.80-2,912.65-1,166.53

Finding the Fourth Proportional to 2,110.80, 2,912.65 and 1,166.53

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Solution

The fourth proportional to 2,110.80, 2,912.65 and 1,166.53 is: 1,609.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.80 : 2,912.65 = 1,166.53 : x
  2. Step 2: Convert to fraction form
    2,110.80/2,912.65 = 1,166.53/x
  3. Step 3: Cross multiply
    2,110.80x = 2,912.65 × 1,166.53
  4. Step 4: Simplify right side
    2,110.80x = 3,397,683.41
  5. Step 5: Solve for x
    x = 3,397,683.41/2,110.80
  6. Step 6: Final answer
    x = 1,609.67

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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.