Home / 2,299.68-3,173.64-1,305

Finding the Fourth Proportional to 2,299.68, 3,173.64 and 1,305

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Solution

The fourth proportional to 2,299.68, 3,173.64 and 1,305 is: 1,800.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.68 : 3,173.64 = 1,305 : x
  2. Step 2: Convert to fraction form
    2,299.68/3,173.64 = 1,305/x
  3. Step 3: Cross multiply
    2,299.68x = 3,173.64 × 1,305
  4. Step 4: Simplify right side
    2,299.68x = 4,141,600.20
  5. Step 5: Solve for x
    x = 4,141,600.20/2,299.68
  6. Step 6: Final answer
    x = 1,800.95

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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.