Home / 3,205.78-4,798.64-2,428.79

Finding the Fourth Proportional to 3,205.78, 4,798.64 and 2,428.79

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Solution

The fourth proportional to 3,205.78, 4,798.64 and 2,428.79 is: 3,635.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.78 : 4,798.64 = 2,428.79 : x
  2. Step 2: Convert to fraction form
    3,205.78/4,798.64 = 2,428.79/x
  3. Step 3: Cross multiply
    3,205.78x = 4,798.64 × 2,428.79
  4. Step 4: Simplify right side
    3,205.78x = 11,654,870.92
  5. Step 5: Solve for x
    x = 11,654,870.92/3,205.78
  6. Step 6: Final answer
    x = 3,635.58

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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.