Home / 2,328.42-3,213.26-1,333.79

Finding the Fourth Proportional to 2,328.42, 3,213.26 and 1,333.79

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Solution

The fourth proportional to 2,328.42, 3,213.26 and 1,333.79 is: 1,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.42 : 3,213.26 = 1,333.79 : x
  2. Step 2: Convert to fraction form
    2,328.42/3,213.26 = 1,333.79/x
  3. Step 3: Cross multiply
    2,328.42x = 3,213.26 × 1,333.79
  4. Step 4: Simplify right side
    2,328.42x = 4,285,796.32
  5. Step 5: Solve for x
    x = 4,285,796.32/2,328.42
  6. Step 6: Final answer
    x = 1,840.65

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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.