Home / 3,318.90-4,971.87-2,017.14

Finding the Fourth Proportional to 3,318.90, 4,971.87 and 2,017.14

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Solution

The fourth proportional to 3,318.90, 4,971.87 and 2,017.14 is: 3,021.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.90 : 4,971.87 = 2,017.14 : x
  2. Step 2: Convert to fraction form
    3,318.90/4,971.87 = 2,017.14/x
  3. Step 3: Cross multiply
    3,318.90x = 4,971.87 × 2,017.14
  4. Step 4: Simplify right side
    3,318.90x = 10,028,957.85
  5. Step 5: Solve for x
    x = 10,028,957.85/3,318.90
  6. Step 6: Final answer
    x = 3,021.77

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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.