Home / 3,982.72-5,975.04-2,340.64

Finding the Fourth Proportional to 3,982.72, 5,975.04 and 2,340.64

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Solution

The fourth proportional to 3,982.72, 5,975.04 and 2,340.64 is: 3,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.72 : 5,975.04 = 2,340.64 : x
  2. Step 2: Convert to fraction form
    3,982.72/5,975.04 = 2,340.64/x
  3. Step 3: Cross multiply
    3,982.72x = 5,975.04 × 2,340.64
  4. Step 4: Simplify right side
    3,982.72x = 13,985,417.63
  5. Step 5: Solve for x
    x = 13,985,417.63/3,982.72
  6. Step 6: Final answer
    x = 3,511.52

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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.