Home / 2,208.89-3,048.18-1,214.11

Finding the Fourth Proportional to 2,208.89, 3,048.18 and 1,214.11

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Solution

The fourth proportional to 2,208.89, 3,048.18 and 1,214.11 is: 1,675.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.89 : 3,048.18 = 1,214.11 : x
  2. Step 2: Convert to fraction form
    2,208.89/3,048.18 = 1,214.11/x
  3. Step 3: Cross multiply
    2,208.89x = 3,048.18 × 1,214.11
  4. Step 4: Simplify right side
    2,208.89x = 3,700,814.76
  5. Step 5: Solve for x
    x = 3,700,814.76/2,208.89
  6. Step 6: Final answer
    x = 1,675.42

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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.