Home / 2,208.95-3,048.25-1,214.16

Finding the Fourth Proportional to 2,208.95, 3,048.25 and 1,214.16

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Solution

The fourth proportional to 2,208.95, 3,048.25 and 1,214.16 is: 1,675.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.95 : 3,048.25 = 1,214.16 : x
  2. Step 2: Convert to fraction form
    2,208.95/3,048.25 = 1,214.16/x
  3. Step 3: Cross multiply
    2,208.95x = 3,048.25 × 1,214.16
  4. Step 4: Simplify right side
    2,208.95x = 3,701,057.15
  5. Step 5: Solve for x
    x = 3,701,057.15/2,208.95
  6. Step 6: Final answer
    x = 1,675.49

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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.