Home / 2,261.32-3,396.44-2,164.12

Finding the Fourth Proportional to 2,261.32, 3,396.44 and 2,164.12

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Solution

The fourth proportional to 2,261.32, 3,396.44 and 2,164.12 is: 3,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.32 : 3,396.44 = 2,164.12 : x
  2. Step 2: Convert to fraction form
    2,261.32/3,396.44 = 2,164.12/x
  3. Step 3: Cross multiply
    2,261.32x = 3,396.44 × 2,164.12
  4. Step 4: Simplify right side
    2,261.32x = 7,350,303.73
  5. Step 5: Solve for x
    x = 7,350,303.73/2,261.32
  6. Step 6: Final answer
    x = 3,250.45

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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.