Home / 1,469.08-2,213.92-1,376.80

Finding the Fourth Proportional to 1,469.08, 2,213.92 and 1,376.80

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Solution

The fourth proportional to 1,469.08, 2,213.92 and 1,376.80 is: 2,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.08 : 2,213.92 = 1,376.80 : x
  2. Step 2: Convert to fraction form
    1,469.08/2,213.92 = 1,376.80/x
  3. Step 3: Cross multiply
    1,469.08x = 2,213.92 × 1,376.80
  4. Step 4: Simplify right side
    1,469.08x = 3,048,125.06
  5. Step 5: Solve for x
    x = 3,048,125.06/1,469.08
  6. Step 6: Final answer
    x = 2,074.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.