Home / 2,208.37-3,047.74-1,213.84

Finding the Fourth Proportional to 2,208.37, 3,047.74 and 1,213.84

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Solution

The fourth proportional to 2,208.37, 3,047.74 and 1,213.84 is: 1,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.37 : 3,047.74 = 1,213.84 : x
  2. Step 2: Convert to fraction form
    2,208.37/3,047.74 = 1,213.84/x
  3. Step 3: Cross multiply
    2,208.37x = 3,047.74 × 1,213.84
  4. Step 4: Simplify right side
    2,208.37x = 3,699,460.49
  5. Step 5: Solve for x
    x = 3,699,460.49/2,208.37
  6. Step 6: Final answer
    x = 1,675.20

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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.