Home / 3,258.36-4,889.88-1,615.68

Finding the Fourth Proportional to 3,258.36, 4,889.88 and 1,615.68

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Solution

The fourth proportional to 3,258.36, 4,889.88 and 1,615.68 is: 2,424.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.36 : 4,889.88 = 1,615.68 : x
  2. Step 2: Convert to fraction form
    3,258.36/4,889.88 = 1,615.68/x
  3. Step 3: Cross multiply
    3,258.36x = 4,889.88 × 1,615.68
  4. Step 4: Simplify right side
    3,258.36x = 7,900,481.32
  5. Step 5: Solve for x
    x = 7,900,481.32/3,258.36
  6. Step 6: Final answer
    x = 2,424.68

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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.