Home / 3,942.42-5,913.58-1,169.10

Finding the Fourth Proportional to 3,942.42, 5,913.58 and 1,169.10

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Solution

The fourth proportional to 3,942.42, 5,913.58 and 1,169.10 is: 1,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.42 : 5,913.58 = 1,169.10 : x
  2. Step 2: Convert to fraction form
    3,942.42/5,913.58 = 1,169.10/x
  3. Step 3: Cross multiply
    3,942.42x = 5,913.58 × 1,169.10
  4. Step 4: Simplify right side
    3,942.42x = 6,913,566.38
  5. Step 5: Solve for x
    x = 6,913,566.38/3,942.42
  6. Step 6: Final answer
    x = 1,753.64

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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.