Home / 2,808.21-4,210.32-2,018.04

Finding the Fourth Proportional to 2,808.21, 4,210.32 and 2,018.04

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Solution

The fourth proportional to 2,808.21, 4,210.32 and 2,018.04 is: 3,025.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.21 : 4,210.32 = 2,018.04 : x
  2. Step 2: Convert to fraction form
    2,808.21/4,210.32 = 2,018.04/x
  3. Step 3: Cross multiply
    2,808.21x = 4,210.32 × 2,018.04
  4. Step 4: Simplify right side
    2,808.21x = 8,496,594.17
  5. Step 5: Solve for x
    x = 8,496,594.17/2,808.21
  6. Step 6: Final answer
    x = 3,025.63

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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.