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Finding the Fourth Proportional to 2,596.36, 3,894.48 and 1,296.88

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Solution

The fourth proportional to 2,596.36, 3,894.48 and 1,296.88 is: 1,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,596.36 : 3,894.48 = 1,296.88 : x
  2. Step 2: Convert to fraction form
    2,596.36/3,894.48 = 1,296.88/x
  3. Step 3: Cross multiply
    2,596.36x = 3,894.48 × 1,296.88
  4. Step 4: Simplify right side
    2,596.36x = 5,050,673.22
  5. Step 5: Solve for x
    x = 5,050,673.22/2,596.36
  6. Step 6: Final answer
    x = 1,945.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.