Home / 3,982.10-5,973.15-3,277.40

Finding the Fourth Proportional to 3,982.10, 5,973.15 and 3,277.40

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Solution

The fourth proportional to 3,982.10, 5,973.15 and 3,277.40 is: 4,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.10 : 5,973.15 = 3,277.40 : x
  2. Step 2: Convert to fraction form
    3,982.10/5,973.15 = 3,277.40/x
  3. Step 3: Cross multiply
    3,982.10x = 5,973.15 × 3,277.40
  4. Step 4: Simplify right side
    3,982.10x = 19,576,401.81
  5. Step 5: Solve for x
    x = 19,576,401.81/3,982.10
  6. Step 6: Final answer
    x = 4,916.10

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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.