Home / 3,258.43-4,890.27-1,698.91

Finding the Fourth Proportional to 3,258.43, 4,890.27 and 1,698.91

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Solution

The fourth proportional to 3,258.43, 4,890.27 and 1,698.91 is: 2,549.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.43 : 4,890.27 = 1,698.91 : x
  2. Step 2: Convert to fraction form
    3,258.43/4,890.27 = 1,698.91/x
  3. Step 3: Cross multiply
    3,258.43x = 4,890.27 × 1,698.91
  4. Step 4: Simplify right side
    3,258.43x = 8,308,128.61
  5. Step 5: Solve for x
    x = 8,308,128.61/3,258.43
  6. Step 6: Final answer
    x = 2,549.73

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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.