Home / 3,628.92-5,009.96-2,776.57

Finding the Fourth Proportional to 3,628.92, 5,009.96 and 2,776.57

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Solution

The fourth proportional to 3,628.92, 5,009.96 and 2,776.57 is: 3,833.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.92 : 5,009.96 = 2,776.57 : x
  2. Step 2: Convert to fraction form
    3,628.92/5,009.96 = 2,776.57/x
  3. Step 3: Cross multiply
    3,628.92x = 5,009.96 × 2,776.57
  4. Step 4: Simplify right side
    3,628.92x = 13,910,465.70
  5. Step 5: Solve for x
    x = 13,910,465.70/3,628.92
  6. Step 6: Final answer
    x = 3,833.23

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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.