Home / 3,258.18-4,889.90-1,698.66

Finding the Fourth Proportional to 3,258.18, 4,889.90 and 1,698.66

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Solution

The fourth proportional to 3,258.18, 4,889.90 and 1,698.66 is: 2,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.18 : 4,889.90 = 1,698.66 : x
  2. Step 2: Convert to fraction form
    3,258.18/4,889.90 = 1,698.66/x
  3. Step 3: Cross multiply
    3,258.18x = 4,889.90 × 1,698.66
  4. Step 4: Simplify right side
    3,258.18x = 8,306,269.04
  5. Step 5: Solve for x
    x = 8,306,269.04/3,258.18
  6. Step 6: Final answer
    x = 2,549.36

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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.