Home / 3,258.36-4,887.72-1,310.31

Finding the Fourth Proportional to 3,258.36, 4,887.72 and 1,310.31

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Solution

The fourth proportional to 3,258.36, 4,887.72 and 1,310.31 is: 1,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.36 : 4,887.72 = 1,310.31 : x
  2. Step 2: Convert to fraction form
    3,258.36/4,887.72 = 1,310.31/x
  3. Step 3: Cross multiply
    3,258.36x = 4,887.72 × 1,310.31
  4. Step 4: Simplify right side
    3,258.36x = 6,404,428.39
  5. Step 5: Solve for x
    x = 6,404,428.39/3,258.36
  6. Step 6: Final answer
    x = 1,965.54

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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.