Home / 3,859.06-5,790.76-1,395.94

Finding the Fourth Proportional to 3,859.06, 5,790.76 and 1,395.94

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Solution

The fourth proportional to 3,859.06, 5,790.76 and 1,395.94 is: 2,094.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.06 : 5,790.76 = 1,395.94 : x
  2. Step 2: Convert to fraction form
    3,859.06/5,790.76 = 1,395.94/x
  3. Step 3: Cross multiply
    3,859.06x = 5,790.76 × 1,395.94
  4. Step 4: Simplify right side
    3,859.06x = 8,083,553.51
  5. Step 5: Solve for x
    x = 8,083,553.51/3,859.06
  6. Step 6: Final answer
    x = 2,094.69

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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.