Home / 2,236.06-3,085.33-1,439.63

Finding the Fourth Proportional to 2,236.06, 3,085.33 and 1,439.63

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Solution

The fourth proportional to 2,236.06, 3,085.33 and 1,439.63 is: 1,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.06 : 3,085.33 = 1,439.63 : x
  2. Step 2: Convert to fraction form
    2,236.06/3,085.33 = 1,439.63/x
  3. Step 3: Cross multiply
    2,236.06x = 3,085.33 × 1,439.63
  4. Step 4: Simplify right side
    2,236.06x = 4,441,733.63
  5. Step 5: Solve for x
    x = 4,441,733.63/2,236.06
  6. Step 6: Final answer
    x = 1,986.41

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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.