Home / 2,213.54-3,054.63-1,205.27

Finding the Fourth Proportional to 2,213.54, 3,054.63 and 1,205.27

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Solution

The fourth proportional to 2,213.54, 3,054.63 and 1,205.27 is: 1,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.54 : 3,054.63 = 1,205.27 : x
  2. Step 2: Convert to fraction form
    2,213.54/3,054.63 = 1,205.27/x
  3. Step 3: Cross multiply
    2,213.54x = 3,054.63 × 1,205.27
  4. Step 4: Simplify right side
    2,213.54x = 3,681,632.60
  5. Step 5: Solve for x
    x = 3,681,632.60/2,213.54
  6. Step 6: Final answer
    x = 1,663.23

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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.