Home / 2,622.75-3,619.41-1,443.84

Finding the Fourth Proportional to 2,622.75, 3,619.41 and 1,443.84

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Solution

The fourth proportional to 2,622.75, 3,619.41 and 1,443.84 is: 1,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.75 : 3,619.41 = 1,443.84 : x
  2. Step 2: Convert to fraction form
    2,622.75/3,619.41 = 1,443.84/x
  3. Step 3: Cross multiply
    2,622.75x = 3,619.41 × 1,443.84
  4. Step 4: Simplify right side
    2,622.75x = 5,225,848.93
  5. Step 5: Solve for x
    x = 5,225,848.93/2,622.75
  6. Step 6: Final answer
    x = 1,992.51

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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.