Home / 3,214.36-4,435.86-1,817.14

Finding the Fourth Proportional to 3,214.36, 4,435.86 and 1,817.14

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Solution

The fourth proportional to 3,214.36, 4,435.86 and 1,817.14 is: 2,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.36 : 4,435.86 = 1,817.14 : x
  2. Step 2: Convert to fraction form
    3,214.36/4,435.86 = 1,817.14/x
  3. Step 3: Cross multiply
    3,214.36x = 4,435.86 × 1,817.14
  4. Step 4: Simplify right side
    3,214.36x = 8,060,578.64
  5. Step 5: Solve for x
    x = 8,060,578.64/3,214.36
  6. Step 6: Final answer
    x = 2,507.68

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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.