Home / 3,942.34-5,913.64-1,344.94

Finding the Fourth Proportional to 3,942.34, 5,913.64 and 1,344.94

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Solution

The fourth proportional to 3,942.34, 5,913.64 and 1,344.94 is: 2,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.34 : 5,913.64 = 1,344.94 : x
  2. Step 2: Convert to fraction form
    3,942.34/5,913.64 = 1,344.94/x
  3. Step 3: Cross multiply
    3,942.34x = 5,913.64 × 1,344.94
  4. Step 4: Simplify right side
    3,942.34x = 7,953,477.88
  5. Step 5: Solve for x
    x = 7,953,477.88/3,942.34
  6. Step 6: Final answer
    x = 2,017.45

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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.