Home / 2,236.16-3,354.72-936.88

Finding the Fourth Proportional to 2,236.16, 3,354.72 and 936.88

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Solution

The fourth proportional to 2,236.16, 3,354.72 and 936.88 is: 1,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.16 : 3,354.72 = 936.88 : x
  2. Step 2: Convert to fraction form
    2,236.16/3,354.72 = 936.88/x
  3. Step 3: Cross multiply
    2,236.16x = 3,354.72 × 936.88
  4. Step 4: Simplify right side
    2,236.16x = 3,142,970.07
  5. Step 5: Solve for x
    x = 3,142,970.07/2,236.16
  6. Step 6: Final answer
    x = 1,405.52

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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.