Home / 3,660.61-5,051.66-1,982.02

Finding the Fourth Proportional to 3,660.61, 5,051.66 and 1,982.02

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Solution

The fourth proportional to 3,660.61, 5,051.66 and 1,982.02 is: 2,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.61 : 5,051.66 = 1,982.02 : x
  2. Step 2: Convert to fraction form
    3,660.61/5,051.66 = 1,982.02/x
  3. Step 3: Cross multiply
    3,660.61x = 5,051.66 × 1,982.02
  4. Step 4: Simplify right side
    3,660.61x = 10,012,491.15
  5. Step 5: Solve for x
    x = 10,012,491.15/3,660.61
  6. Step 6: Final answer
    x = 2,735.20

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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.