Home / 2,336.12-3,223.88-1,288.16

Finding the Fourth Proportional to 2,336.12, 3,223.88 and 1,288.16

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Solution

The fourth proportional to 2,336.12, 3,223.88 and 1,288.16 is: 1,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.12 : 3,223.88 = 1,288.16 : x
  2. Step 2: Convert to fraction form
    2,336.12/3,223.88 = 1,288.16/x
  3. Step 3: Cross multiply
    2,336.12x = 3,223.88 × 1,288.16
  4. Step 4: Simplify right side
    2,336.12x = 4,152,873.26
  5. Step 5: Solve for x
    x = 4,152,873.26/2,336.12
  6. Step 6: Final answer
    x = 1,777.68

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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.