Home / 3,258.21-4,496.13-1,913.62

Finding the Fourth Proportional to 3,258.21, 4,496.13 and 1,913.62

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Solution

The fourth proportional to 3,258.21, 4,496.13 and 1,913.62 is: 2,640.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.21 : 4,496.13 = 1,913.62 : x
  2. Step 2: Convert to fraction form
    3,258.21/4,496.13 = 1,913.62/x
  3. Step 3: Cross multiply
    3,258.21x = 4,496.13 × 1,913.62
  4. Step 4: Simplify right side
    3,258.21x = 8,603,884.29
  5. Step 5: Solve for x
    x = 8,603,884.29/3,258.21
  6. Step 6: Final answer
    x = 2,640.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.