Home / 2,156.76-3,232.44-1,181.16

Finding the Fourth Proportional to 2,156.76, 3,232.44 and 1,181.16

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Solution

The fourth proportional to 2,156.76, 3,232.44 and 1,181.16 is: 1,770.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156.76 : 3,232.44 = 1,181.16 : x
  2. Step 2: Convert to fraction form
    2,156.76/3,232.44 = 1,181.16/x
  3. Step 3: Cross multiply
    2,156.76x = 3,232.44 × 1,181.16
  4. Step 4: Simplify right side
    2,156.76x = 3,818,028.83
  5. Step 5: Solve for x
    x = 3,818,028.83/2,156.76
  6. Step 6: Final answer
    x = 1,770.26

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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.