Home / 2,469.44-3,407.82-1,421.50

Finding the Fourth Proportional to 2,469.44, 3,407.82 and 1,421.50

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Solution

The fourth proportional to 2,469.44, 3,407.82 and 1,421.50 is: 1,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.44 : 3,407.82 = 1,421.50 : x
  2. Step 2: Convert to fraction form
    2,469.44/3,407.82 = 1,421.50/x
  3. Step 3: Cross multiply
    2,469.44x = 3,407.82 × 1,421.50
  4. Step 4: Simplify right side
    2,469.44x = 4,844,216.13
  5. Step 5: Solve for x
    x = 4,844,216.13/2,469.44
  6. Step 6: Final answer
    x = 1,961.67

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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.