Home / 3,542.72-4,890.78-2,369.96

Finding the Fourth Proportional to 3,542.72, 4,890.78 and 2,369.96

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Solution

The fourth proportional to 3,542.72, 4,890.78 and 2,369.96 is: 3,271.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.72 : 4,890.78 = 2,369.96 : x
  2. Step 2: Convert to fraction form
    3,542.72/4,890.78 = 2,369.96/x
  3. Step 3: Cross multiply
    3,542.72x = 4,890.78 × 2,369.96
  4. Step 4: Simplify right side
    3,542.72x = 11,590,952.97
  5. Step 5: Solve for x
    x = 11,590,952.97/3,542.72
  6. Step 6: Final answer
    x = 3,271.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.