Home / 3,258.86-4,878.96-2,161.04

Finding the Fourth Proportional to 3,258.86, 4,878.96 and 2,161.04

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Solution

The fourth proportional to 3,258.86, 4,878.96 and 2,161.04 is: 3,235.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.86 : 4,878.96 = 2,161.04 : x
  2. Step 2: Convert to fraction form
    3,258.86/4,878.96 = 2,161.04/x
  3. Step 3: Cross multiply
    3,258.86x = 4,878.96 × 2,161.04
  4. Step 4: Simplify right side
    3,258.86x = 10,543,603.32
  5. Step 5: Solve for x
    x = 10,543,603.32/3,258.86
  6. Step 6: Final answer
    x = 3,235.37

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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.