Home / 2,209.16-3,309.44-1,232.32

Finding the Fourth Proportional to 2,209.16, 3,309.44 and 1,232.32

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Solution

The fourth proportional to 2,209.16, 3,309.44 and 1,232.32 is: 1,846.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.16 : 3,309.44 = 1,232.32 : x
  2. Step 2: Convert to fraction form
    2,209.16/3,309.44 = 1,232.32/x
  3. Step 3: Cross multiply
    2,209.16x = 3,309.44 × 1,232.32
  4. Step 4: Simplify right side
    2,209.16x = 4,078,289.10
  5. Step 5: Solve for x
    x = 4,078,289.10/2,209.16
  6. Step 6: Final answer
    x = 1,846.08

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1.5x scale

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.