Home / 1,626.80-2,441.88-1,621.04

Finding the Fourth Proportional to 1,626.80, 2,441.88 and 1,621.04

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Solution

The fourth proportional to 1,626.80, 2,441.88 and 1,621.04 is: 2,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.80 : 2,441.88 = 1,621.04 : x
  2. Step 2: Convert to fraction form
    1,626.80/2,441.88 = 1,621.04/x
  3. Step 3: Cross multiply
    1,626.80x = 2,441.88 × 1,621.04
  4. Step 4: Simplify right side
    1,626.80x = 3,958,385.16
  5. Step 5: Solve for x
    x = 3,958,385.16/1,626.80
  6. Step 6: Final answer
    x = 2,433.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.