Home / 3,977.70-5,966.61-1,204.40

Finding the Fourth Proportional to 3,977.70, 5,966.61 and 1,204.40

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Solution

The fourth proportional to 3,977.70, 5,966.61 and 1,204.40 is: 1,806.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.70 : 5,966.61 = 1,204.40 : x
  2. Step 2: Convert to fraction form
    3,977.70/5,966.61 = 1,204.40/x
  3. Step 3: Cross multiply
    3,977.70x = 5,966.61 × 1,204.40
  4. Step 4: Simplify right side
    3,977.70x = 7,186,185.08
  5. Step 5: Solve for x
    x = 7,186,185.08/3,977.70
  6. Step 6: Final answer
    x = 1,806.62

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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.