Home / 3,214.49-4,435.99-1,817.24

Finding the Fourth Proportional to 3,214.49, 4,435.99 and 1,817.24

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Solution

The fourth proportional to 3,214.49, 4,435.99 and 1,817.24 is: 2,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.49 : 4,435.99 = 1,817.24 : x
  2. Step 2: Convert to fraction form
    3,214.49/4,435.99 = 1,817.24/x
  3. Step 3: Cross multiply
    3,214.49x = 4,435.99 × 1,817.24
  4. Step 4: Simplify right side
    3,214.49x = 8,061,231.74
  5. Step 5: Solve for x
    x = 8,061,231.74/3,214.49
  6. Step 6: Final answer
    x = 2,507.78

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1.5x scale

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.