Home / 2,208.75-3,048.00-1,214.02

Finding the Fourth Proportional to 2,208.75, 3,048.00 and 1,214.02

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Solution

The fourth proportional to 2,208.75, 3,048.00 and 1,214.02 is: 1,675.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.75 : 3,048.00 = 1,214.02 : x
  2. Step 2: Convert to fraction form
    2,208.75/3,048.00 = 1,214.02/x
  3. Step 3: Cross multiply
    2,208.75x = 3,048.00 × 1,214.02
  4. Step 4: Simplify right side
    2,208.75x = 3,700,339.05
  5. Step 5: Solve for x
    x = 3,700,339.05/2,208.75
  6. Step 6: Final answer
    x = 1,675.31

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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.