Home / 2,344.72-3,235.68-1,296.80

Finding the Fourth Proportional to 2,344.72, 3,235.68 and 1,296.80

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Solution

The fourth proportional to 2,344.72, 3,235.68 and 1,296.80 is: 1,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,344.72 : 3,235.68 = 1,296.80 : x
  2. Step 2: Convert to fraction form
    2,344.72/3,235.68 = 1,296.80/x
  3. Step 3: Cross multiply
    2,344.72x = 3,235.68 × 1,296.80
  4. Step 4: Simplify right side
    2,344.72x = 4,196,029.82
  5. Step 5: Solve for x
    x = 4,196,029.82/2,344.72
  6. Step 6: Final answer
    x = 1,789.57

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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.