Home / 2,668.09-4,003.88-1,207.25

Finding the Fourth Proportional to 2,668.09, 4,003.88 and 1,207.25

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Solution

The fourth proportional to 2,668.09, 4,003.88 and 1,207.25 is: 1,811.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.09 : 4,003.88 = 1,207.25 : x
  2. Step 2: Convert to fraction form
    2,668.09/4,003.88 = 1,207.25/x
  3. Step 3: Cross multiply
    2,668.09x = 4,003.88 × 1,207.25
  4. Step 4: Simplify right side
    2,668.09x = 4,833,702.40
  5. Step 5: Solve for x
    x = 4,833,702.40/2,668.09
  6. Step 6: Final answer
    x = 1,811.67

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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.