Home / 2,405.22-3,322.80-1,622.76

Finding the Fourth Proportional to 2,405.22, 3,322.80 and 1,622.76

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Solution

The fourth proportional to 2,405.22, 3,322.80 and 1,622.76 is: 2,241.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.22 : 3,322.80 = 1,622.76 : x
  2. Step 2: Convert to fraction form
    2,405.22/3,322.80 = 1,622.76/x
  3. Step 3: Cross multiply
    2,405.22x = 3,322.80 × 1,622.76
  4. Step 4: Simplify right side
    2,405.22x = 5,392,106.93
  5. Step 5: Solve for x
    x = 5,392,106.93/2,405.22
  6. Step 6: Final answer
    x = 2,241.84

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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.