Home / 2,623.19-3,622.34-1,958.90

Finding the Fourth Proportional to 2,623.19, 3,622.34 and 1,958.90

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Solution

The fourth proportional to 2,623.19, 3,622.34 and 1,958.90 is: 2,705.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.19 : 3,622.34 = 1,958.90 : x
  2. Step 2: Convert to fraction form
    2,623.19/3,622.34 = 1,958.90/x
  3. Step 3: Cross multiply
    2,623.19x = 3,622.34 × 1,958.90
  4. Step 4: Simplify right side
    2,623.19x = 7,095,801.83
  5. Step 5: Solve for x
    x = 7,095,801.83/2,623.19
  6. Step 6: Final answer
    x = 2,705.03

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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.