Home / 2,326.99-3,211.26-1,279.06

Finding the Fourth Proportional to 2,326.99, 3,211.26 and 1,279.06

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Solution

The fourth proportional to 2,326.99, 3,211.26 and 1,279.06 is: 1,765.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.99 : 3,211.26 = 1,279.06 : x
  2. Step 2: Convert to fraction form
    2,326.99/3,211.26 = 1,279.06/x
  3. Step 3: Cross multiply
    2,326.99x = 3,211.26 × 1,279.06
  4. Step 4: Simplify right side
    2,326.99x = 4,107,394.22
  5. Step 5: Solve for x
    x = 4,107,394.22/2,326.99
  6. Step 6: Final answer
    x = 1,765.11

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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.