Home / 2,208.83-3,048.21-1,214.20

Finding the Fourth Proportional to 2,208.83, 3,048.21 and 1,214.20

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Solution

The fourth proportional to 2,208.83, 3,048.21 and 1,214.20 is: 1,675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.83 : 3,048.21 = 1,214.20 : x
  2. Step 2: Convert to fraction form
    2,208.83/3,048.21 = 1,214.20/x
  3. Step 3: Cross multiply
    2,208.83x = 3,048.21 × 1,214.20
  4. Step 4: Simplify right side
    2,208.83x = 3,701,121.34
  5. Step 5: Solve for x
    x = 3,701,121.34/2,208.83
  6. Step 6: Final answer
    x = 1,675.61

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1.5x scale

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.