Home / 2,770.23-4,148.91-1,379.25

Finding the Fourth Proportional to 2,770.23, 4,148.91 and 1,379.25

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Solution

The fourth proportional to 2,770.23, 4,148.91 and 1,379.25 is: 2,065.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.23 : 4,148.91 = 1,379.25 : x
  2. Step 2: Convert to fraction form
    2,770.23/4,148.91 = 1,379.25/x
  3. Step 3: Cross multiply
    2,770.23x = 4,148.91 × 1,379.25
  4. Step 4: Simplify right side
    2,770.23x = 5,722,384.12
  5. Step 5: Solve for x
    x = 5,722,384.12/2,770.23
  6. Step 6: Final answer
    x = 2,065.67

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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.