Home / 2,208.16-3,047.34-1,213.44

Finding the Fourth Proportional to 2,208.16, 3,047.34 and 1,213.44

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Solution

The fourth proportional to 2,208.16, 3,047.34 and 1,213.44 is: 1,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.16 : 3,047.34 = 1,213.44 : x
  2. Step 2: Convert to fraction form
    2,208.16/3,047.34 = 1,213.44/x
  3. Step 3: Cross multiply
    2,208.16x = 3,047.34 × 1,213.44
  4. Step 4: Simplify right side
    2,208.16x = 3,697,764.25
  5. Step 5: Solve for x
    x = 3,697,764.25/2,208.16
  6. Step 6: Final answer
    x = 1,674.59

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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.