Home / 1,814.81-2,722.21-1,268.06

Finding the Fourth Proportional to 1,814.81, 2,722.21 and 1,268.06

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Solution

The fourth proportional to 1,814.81, 2,722.21 and 1,268.06 is: 1,902.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.81 : 2,722.21 = 1,268.06 : x
  2. Step 2: Convert to fraction form
    1,814.81/2,722.21 = 1,268.06/x
  3. Step 3: Cross multiply
    1,814.81x = 2,722.21 × 1,268.06
  4. Step 4: Simplify right side
    1,814.81x = 3,451,908.83
  5. Step 5: Solve for x
    x = 3,451,908.83/1,814.81
  6. Step 6: Final answer
    x = 1,902.08

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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.