Home / 2,199.04-3,033.60-1,608.64

Finding the Fourth Proportional to 2,199.04, 3,033.60 and 1,608.64

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Solution

The fourth proportional to 2,199.04, 3,033.60 and 1,608.64 is: 2,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.04 : 3,033.60 = 1,608.64 : x
  2. Step 2: Convert to fraction form
    2,199.04/3,033.60 = 1,608.64/x
  3. Step 3: Cross multiply
    2,199.04x = 3,033.60 × 1,608.64
  4. Step 4: Simplify right side
    2,199.04x = 4,879,970.30
  5. Step 5: Solve for x
    x = 4,879,970.30/2,199.04
  6. Step 6: Final answer
    x = 2,219.14

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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.