Home / 2,321.23-3,203.38-1,659.66

Finding the Fourth Proportional to 2,321.23, 3,203.38 and 1,659.66

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Solution

The fourth proportional to 2,321.23, 3,203.38 and 1,659.66 is: 2,290.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.23 : 3,203.38 = 1,659.66 : x
  2. Step 2: Convert to fraction form
    2,321.23/3,203.38 = 1,659.66/x
  3. Step 3: Cross multiply
    2,321.23x = 3,203.38 × 1,659.66
  4. Step 4: Simplify right side
    2,321.23x = 5,316,535.74
  5. Step 5: Solve for x
    x = 5,316,535.74/2,321.23
  6. Step 6: Final answer
    x = 2,290.39

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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.