Home / 3,258.10-4,887.28-949.60

Finding the Fourth Proportional to 3,258.10, 4,887.28 and 949.60

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Solution

The fourth proportional to 3,258.10, 4,887.28 and 949.60 is: 1,424.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.10 : 4,887.28 = 949.60 : x
  2. Step 2: Convert to fraction form
    3,258.10/4,887.28 = 949.60/x
  3. Step 3: Cross multiply
    3,258.10x = 4,887.28 × 949.60
  4. Step 4: Simplify right side
    3,258.10x = 4,640,946.50
  5. Step 5: Solve for x
    x = 4,640,946.50/3,258.10
  6. Step 6: Final answer
    x = 1,424.43

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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.