Home / 3,676.92-5,515.40-1,485.68

Finding the Fourth Proportional to 3,676.92, 5,515.40 and 1,485.68

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Solution

The fourth proportional to 3,676.92, 5,515.40 and 1,485.68 is: 2,228.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.92 : 5,515.40 = 1,485.68 : x
  2. Step 2: Convert to fraction form
    3,676.92/5,515.40 = 1,485.68/x
  3. Step 3: Cross multiply
    3,676.92x = 5,515.40 × 1,485.68
  4. Step 4: Simplify right side
    3,676.92x = 8,194,084.47
  5. Step 5: Solve for x
    x = 8,194,084.47/3,676.92
  6. Step 6: Final answer
    x = 2,228.52

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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.