Home / 3,579.43-4,945.55-2,828.96

Finding the Fourth Proportional to 3,579.43, 4,945.55 and 2,828.96

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Solution

The fourth proportional to 3,579.43, 4,945.55 and 2,828.96 is: 3,908.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.43 : 4,945.55 = 2,828.96 : x
  2. Step 2: Convert to fraction form
    3,579.43/4,945.55 = 2,828.96/x
  3. Step 3: Cross multiply
    3,579.43x = 4,945.55 × 2,828.96
  4. Step 4: Simplify right side
    3,579.43x = 13,990,762.69
  5. Step 5: Solve for x
    x = 13,990,762.69/3,579.43
  6. Step 6: Final answer
    x = 3,908.66

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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.