Home / 3,258.20-4,885.33-1,281.46

Finding the Fourth Proportional to 3,258.20, 4,885.33 and 1,281.46

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Solution

The fourth proportional to 3,258.20, 4,885.33 and 1,281.46 is: 1,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.20 : 4,885.33 = 1,281.46 : x
  2. Step 2: Convert to fraction form
    3,258.20/4,885.33 = 1,281.46/x
  3. Step 3: Cross multiply
    3,258.20x = 4,885.33 × 1,281.46
  4. Step 4: Simplify right side
    3,258.20x = 6,260,354.98
  5. Step 5: Solve for x
    x = 6,260,354.98/3,258.20
  6. Step 6: Final answer
    x = 1,921.42

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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.