Home / 2,824.39-4,236.99-1,438.62

Finding the Fourth Proportional to 2,824.39, 4,236.99 and 1,438.62

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Solution

The fourth proportional to 2,824.39, 4,236.99 and 1,438.62 is: 2,158.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.39 : 4,236.99 = 1,438.62 : x
  2. Step 2: Convert to fraction form
    2,824.39/4,236.99 = 1,438.62/x
  3. Step 3: Cross multiply
    2,824.39x = 4,236.99 × 1,438.62
  4. Step 4: Simplify right side
    2,824.39x = 6,095,418.55
  5. Step 5: Solve for x
    x = 6,095,418.55/2,824.39
  6. Step 6: Final answer
    x = 2,158.14

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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.