Home / 2,327.56-3,212.10-1,396.36

Finding the Fourth Proportional to 2,327.56, 3,212.10 and 1,396.36

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Solution

The fourth proportional to 2,327.56, 3,212.10 and 1,396.36 is: 1,927.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.56 : 3,212.10 = 1,396.36 : x
  2. Step 2: Convert to fraction form
    2,327.56/3,212.10 = 1,396.36/x
  3. Step 3: Cross multiply
    2,327.56x = 3,212.10 × 1,396.36
  4. Step 4: Simplify right side
    2,327.56x = 4,485,247.96
  5. Step 5: Solve for x
    x = 4,485,247.96/2,327.56
  6. Step 6: Final answer
    x = 1,927.02

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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.