Home / 2,422.24-3,343.36-1,636.08

Finding the Fourth Proportional to 2,422.24, 3,343.36 and 1,636.08

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Solution

The fourth proportional to 2,422.24, 3,343.36 and 1,636.08 is: 2,258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.24 : 3,343.36 = 1,636.08 : x
  2. Step 2: Convert to fraction form
    2,422.24/3,343.36 = 1,636.08/x
  3. Step 3: Cross multiply
    2,422.24x = 3,343.36 × 1,636.08
  4. Step 4: Simplify right side
    2,422.24x = 5,470,004.43
  5. Step 5: Solve for x
    x = 5,470,004.43/2,422.24
  6. Step 6: Final answer
    x = 2,258.24

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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.