Home / 2,400.88-3,313.21-1,296.88

Finding the Fourth Proportional to 2,400.88, 3,313.21 and 1,296.88

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Solution

The fourth proportional to 2,400.88, 3,313.21 and 1,296.88 is: 1,789.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.88 : 3,313.21 = 1,296.88 : x
  2. Step 2: Convert to fraction form
    2,400.88/3,313.21 = 1,296.88/x
  3. Step 3: Cross multiply
    2,400.88x = 3,313.21 × 1,296.88
  4. Step 4: Simplify right side
    2,400.88x = 4,296,819.22
  5. Step 5: Solve for x
    x = 4,296,819.22/2,400.88
  6. Step 6: Final answer
    x = 1,789.69

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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.