Home / 1,941.30-2,909.97-1,245.96

Finding the Fourth Proportional to 1,941.30, 2,909.97 and 1,245.96

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Solution

The fourth proportional to 1,941.30, 2,909.97 and 1,245.96 is: 1,867.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.30 : 2,909.97 = 1,245.96 : x
  2. Step 2: Convert to fraction form
    1,941.30/2,909.97 = 1,245.96/x
  3. Step 3: Cross multiply
    1,941.30x = 2,909.97 × 1,245.96
  4. Step 4: Simplify right side
    1,941.30x = 3,625,706.22
  5. Step 5: Solve for x
    x = 3,625,706.22/1,941.30
  6. Step 6: Final answer
    x = 1,867.67

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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.