Home / 1,814.44-2,502.20-1,218.28

Finding the Fourth Proportional to 1,814.44, 2,502.20 and 1,218.28

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Solution

The fourth proportional to 1,814.44, 2,502.20 and 1,218.28 is: 1,680.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.44 : 2,502.20 = 1,218.28 : x
  2. Step 2: Convert to fraction form
    1,814.44/2,502.20 = 1,218.28/x
  3. Step 3: Cross multiply
    1,814.44x = 2,502.20 × 1,218.28
  4. Step 4: Simplify right side
    1,814.44x = 3,048,380.22
  5. Step 5: Solve for x
    x = 3,048,380.22/1,814.44
  6. Step 6: Final answer
    x = 1,680.07

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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.