Home / 3,635.26-5,451.60-1,878.40

Finding the Fourth Proportional to 3,635.26, 5,451.60 and 1,878.40

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Solution

The fourth proportional to 3,635.26, 5,451.60 and 1,878.40 is: 2,816.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.26 : 5,451.60 = 1,878.40 : x
  2. Step 2: Convert to fraction form
    3,635.26/5,451.60 = 1,878.40/x
  3. Step 3: Cross multiply
    3,635.26x = 5,451.60 × 1,878.40
  4. Step 4: Simplify right side
    3,635.26x = 10,240,285.44
  5. Step 5: Solve for x
    x = 10,240,285.44/3,635.26
  6. Step 6: Final answer
    x = 2,816.93

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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.