Home / 2,814.14-4,218.83-1,719.28

Finding the Fourth Proportional to 2,814.14, 4,218.83 and 1,719.28

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Solution

The fourth proportional to 2,814.14, 4,218.83 and 1,719.28 is: 2,577.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.14 : 4,218.83 = 1,719.28 : x
  2. Step 2: Convert to fraction form
    2,814.14/4,218.83 = 1,719.28/x
  3. Step 3: Cross multiply
    2,814.14x = 4,218.83 × 1,719.28
  4. Step 4: Simplify right side
    2,814.14x = 7,253,339.11
  5. Step 5: Solve for x
    x = 7,253,339.11/2,814.14
  6. Step 6: Final answer
    x = 2,577.46

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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.