Home / 2,824.37-3,894.08-1,814.28

Finding the Fourth Proportional to 2,824.37, 3,894.08 and 1,814.28

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Solution

The fourth proportional to 2,824.37, 3,894.08 and 1,814.28 is: 2,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.37 : 3,894.08 = 1,814.28 : x
  2. Step 2: Convert to fraction form
    2,824.37/3,894.08 = 1,814.28/x
  3. Step 3: Cross multiply
    2,824.37x = 3,894.08 × 1,814.28
  4. Step 4: Simplify right side
    2,824.37x = 7,064,949.69
  5. Step 5: Solve for x
    x = 7,064,949.69/2,824.37
  6. Step 6: Final answer
    x = 2,501.43

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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.