Home / 3,852.36-5,780.97-2,005.56

Finding the Fourth Proportional to 3,852.36, 5,780.97 and 2,005.56

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Solution

The fourth proportional to 3,852.36, 5,780.97 and 2,005.56 is: 3,009.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.36 : 5,780.97 = 2,005.56 : x
  2. Step 2: Convert to fraction form
    3,852.36/5,780.97 = 2,005.56/x
  3. Step 3: Cross multiply
    3,852.36x = 5,780.97 × 2,005.56
  4. Step 4: Simplify right side
    3,852.36x = 11,594,082.19
  5. Step 5: Solve for x
    x = 11,594,082.19/3,852.36
  6. Step 6: Final answer
    x = 3,009.61

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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.