Home / 3,369.55-5,056.45-1,289.74

Finding the Fourth Proportional to 3,369.55, 5,056.45 and 1,289.74

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Solution

The fourth proportional to 3,369.55, 5,056.45 and 1,289.74 is: 1,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.55 : 5,056.45 = 1,289.74 : x
  2. Step 2: Convert to fraction form
    3,369.55/5,056.45 = 1,289.74/x
  3. Step 3: Cross multiply
    3,369.55x = 5,056.45 × 1,289.74
  4. Step 4: Simplify right side
    3,369.55x = 6,521,505.82
  5. Step 5: Solve for x
    x = 6,521,505.82/3,369.55
  6. Step 6: Final answer
    x = 1,935.42

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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.