Home / 3,635.56-5,451.81-1,555.48

Finding the Fourth Proportional to 3,635.56, 5,451.81 and 1,555.48

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Solution

The fourth proportional to 3,635.56, 5,451.81 and 1,555.48 is: 2,332.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.56 : 5,451.81 = 1,555.48 : x
  2. Step 2: Convert to fraction form
    3,635.56/5,451.81 = 1,555.48/x
  3. Step 3: Cross multiply
    3,635.56x = 5,451.81 × 1,555.48
  4. Step 4: Simplify right side
    3,635.56x = 8,480,181.42
  5. Step 5: Solve for x
    x = 8,480,181.42/3,635.56
  6. Step 6: Final answer
    x = 2,332.57

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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.