Home / 3,674.36-5,516.40-3,368.72

Finding the Fourth Proportional to 3,674.36, 5,516.40 and 3,368.72

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Solution

The fourth proportional to 3,674.36, 5,516.40 and 3,368.72 is: 5,057.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.36 : 5,516.40 = 3,368.72 : x
  2. Step 2: Convert to fraction form
    3,674.36/5,516.40 = 3,368.72/x
  3. Step 3: Cross multiply
    3,674.36x = 5,516.40 × 3,368.72
  4. Step 4: Simplify right side
    3,674.36x = 18,583,207.01
  5. Step 5: Solve for x
    x = 18,583,207.01/3,674.36
  6. Step 6: Final answer
    x = 5,057.54

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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.