Home / 3,698.46-5,541.60-1,615.38

Finding the Fourth Proportional to 3,698.46, 5,541.60 and 1,615.38

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Solution

The fourth proportional to 3,698.46, 5,541.60 and 1,615.38 is: 2,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.46 : 5,541.60 = 1,615.38 : x
  2. Step 2: Convert to fraction form
    3,698.46/5,541.60 = 1,615.38/x
  3. Step 3: Cross multiply
    3,698.46x = 5,541.60 × 1,615.38
  4. Step 4: Simplify right side
    3,698.46x = 8,951,789.81
  5. Step 5: Solve for x
    x = 8,951,789.81/3,698.46
  6. Step 6: Final answer
    x = 2,420.41

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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.