Home / 1,469.55-2,199.09-1,276.83

Finding the Fourth Proportional to 1,469.55, 2,199.09 and 1,276.83

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Solution

The fourth proportional to 1,469.55, 2,199.09 and 1,276.83 is: 1,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.55 : 2,199.09 = 1,276.83 : x
  2. Step 2: Convert to fraction form
    1,469.55/2,199.09 = 1,276.83/x
  3. Step 3: Cross multiply
    1,469.55x = 2,199.09 × 1,276.83
  4. Step 4: Simplify right side
    1,469.55x = 2,807,864.08
  5. Step 5: Solve for x
    x = 2,807,864.08/1,469.55
  6. Step 6: Final answer
    x = 1,910.70

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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.