Home / 3,300.94-4,555.20-2,858.68

Finding the Fourth Proportional to 3,300.94, 4,555.20 and 2,858.68

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Solution

The fourth proportional to 3,300.94, 4,555.20 and 2,858.68 is: 3,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.94 : 4,555.20 = 2,858.68 : x
  2. Step 2: Convert to fraction form
    3,300.94/4,555.20 = 2,858.68/x
  3. Step 3: Cross multiply
    3,300.94x = 4,555.20 × 2,858.68
  4. Step 4: Simplify right side
    3,300.94x = 13,021,859.14
  5. Step 5: Solve for x
    x = 13,021,859.14/3,300.94
  6. Step 6: Final answer
    x = 3,944.89

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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.