Home / 3,078.40-4,246.41-2,192.26

Finding the Fourth Proportional to 3,078.40, 4,246.41 and 2,192.26

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Solution

The fourth proportional to 3,078.40, 4,246.41 and 2,192.26 is: 3,024.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.40 : 4,246.41 = 2,192.26 : x
  2. Step 2: Convert to fraction form
    3,078.40/4,246.41 = 2,192.26/x
  3. Step 3: Cross multiply
    3,078.40x = 4,246.41 × 2,192.26
  4. Step 4: Simplify right side
    3,078.40x = 9,309,234.79
  5. Step 5: Solve for x
    x = 9,309,234.79/3,078.40
  6. Step 6: Final answer
    x = 3,024.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.