Home / 3,336.42-5,004.75-1,688.34

Finding the Fourth Proportional to 3,336.42, 5,004.75 and 1,688.34

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Solution

The fourth proportional to 3,336.42, 5,004.75 and 1,688.34 is: 2,532.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.42 : 5,004.75 = 1,688.34 : x
  2. Step 2: Convert to fraction form
    3,336.42/5,004.75 = 1,688.34/x
  3. Step 3: Cross multiply
    3,336.42x = 5,004.75 × 1,688.34
  4. Step 4: Simplify right side
    3,336.42x = 8,449,719.62
  5. Step 5: Solve for x
    x = 8,449,719.62/3,336.42
  6. Step 6: Final answer
    x = 2,532.57

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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.