Home / 2,213.20-3,036.64-2,192.56

Finding the Fourth Proportional to 2,213.20, 3,036.64 and 2,192.56

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Solution

The fourth proportional to 2,213.20, 3,036.64 and 2,192.56 is: 3,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.20 : 3,036.64 = 2,192.56 : x
  2. Step 2: Convert to fraction form
    2,213.20/3,036.64 = 2,192.56/x
  3. Step 3: Cross multiply
    2,213.20x = 3,036.64 × 2,192.56
  4. Step 4: Simplify right side
    2,213.20x = 6,658,015.40
  5. Step 5: Solve for x
    x = 6,658,015.40/2,213.20
  6. Step 6: Final answer
    x = 3,008.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.