Home / 3,826.02-5,739.03-1,230.78

Finding the Fourth Proportional to 3,826.02, 5,739.03 and 1,230.78

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Solution

The fourth proportional to 3,826.02, 5,739.03 and 1,230.78 is: 1,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.02 : 5,739.03 = 1,230.78 : x
  2. Step 2: Convert to fraction form
    3,826.02/5,739.03 = 1,230.78/x
  3. Step 3: Cross multiply
    3,826.02x = 5,739.03 × 1,230.78
  4. Step 4: Simplify right side
    3,826.02x = 7,063,465.92
  5. Step 5: Solve for x
    x = 7,063,465.92/3,826.02
  6. Step 6: Final answer
    x = 1,846.17

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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.