Home / 3,299.73-4,921.79-3,070.09

Finding the Fourth Proportional to 3,299.73, 4,921.79 and 3,070.09

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Solution

The fourth proportional to 3,299.73, 4,921.79 and 3,070.09 is: 4,579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.73 : 4,921.79 = 3,070.09 : x
  2. Step 2: Convert to fraction form
    3,299.73/4,921.79 = 3,070.09/x
  3. Step 3: Cross multiply
    3,299.73x = 4,921.79 × 3,070.09
  4. Step 4: Simplify right side
    3,299.73x = 15,110,338.26
  5. Step 5: Solve for x
    x = 15,110,338.26/3,299.73
  6. Step 6: Final answer
    x = 4,579.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.