Home / 3,257.19-4,494.78-2,078.64

Finding the Fourth Proportional to 3,257.19, 4,494.78 and 2,078.64

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Solution

The fourth proportional to 3,257.19, 4,494.78 and 2,078.64 is: 2,868.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.19 : 4,494.78 = 2,078.64 : x
  2. Step 2: Convert to fraction form
    3,257.19/4,494.78 = 2,078.64/x
  3. Step 3: Cross multiply
    3,257.19x = 4,494.78 × 2,078.64
  4. Step 4: Simplify right side
    3,257.19x = 9,343,029.50
  5. Step 5: Solve for x
    x = 9,343,029.50/3,257.19
  6. Step 6: Final answer
    x = 2,868.43

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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.