Home / 3,018.14-4,525.68-1,785.20

Finding the Fourth Proportional to 3,018.14, 4,525.68 and 1,785.20

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Solution

The fourth proportional to 3,018.14, 4,525.68 and 1,785.20 is: 2,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.14 : 4,525.68 = 1,785.20 : x
  2. Step 2: Convert to fraction form
    3,018.14/4,525.68 = 1,785.20/x
  3. Step 3: Cross multiply
    3,018.14x = 4,525.68 × 1,785.20
  4. Step 4: Simplify right side
    3,018.14x = 8,079,243.94
  5. Step 5: Solve for x
    x = 8,079,243.94/3,018.14
  6. Step 6: Final answer
    x = 2,676.90

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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.