Home / 2,321.58-3,203.74-1,313.27

Finding the Fourth Proportional to 2,321.58, 3,203.74 and 1,313.27

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Solution

The fourth proportional to 2,321.58, 3,203.74 and 1,313.27 is: 1,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.58 : 3,203.74 = 1,313.27 : x
  2. Step 2: Convert to fraction form
    2,321.58/3,203.74 = 1,313.27/x
  3. Step 3: Cross multiply
    2,321.58x = 3,203.74 × 1,313.27
  4. Step 4: Simplify right side
    2,321.58x = 4,207,379.65
  5. Step 5: Solve for x
    x = 4,207,379.65/2,321.58
  6. Step 6: Final answer
    x = 1,812.29

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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.