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Finding the Fourth Proportional to 1,814.87, 2,504.49 and 1,018.24

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Solution

The fourth proportional to 1,814.87, 2,504.49 and 1,018.24 is: 1,405.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.87 : 2,504.49 = 1,018.24 : x
  2. Step 2: Convert to fraction form
    1,814.87/2,504.49 = 1,018.24/x
  3. Step 3: Cross multiply
    1,814.87x = 2,504.49 × 1,018.24
  4. Step 4: Simplify right side
    1,814.87x = 2,550,161.82
  5. Step 5: Solve for x
    x = 2,550,161.82/1,814.87
  6. Step 6: Final answer
    x = 1,405.15

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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.