Home / 3,821.79-5,732.70-1,973.46

Finding the Fourth Proportional to 3,821.79, 5,732.70 and 1,973.46

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Solution

The fourth proportional to 3,821.79, 5,732.70 and 1,973.46 is: 2,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.79 : 5,732.70 = 1,973.46 : x
  2. Step 2: Convert to fraction form
    3,821.79/5,732.70 = 1,973.46/x
  3. Step 3: Cross multiply
    3,821.79x = 5,732.70 × 1,973.46
  4. Step 4: Simplify right side
    3,821.79x = 11,313,254.14
  5. Step 5: Solve for x
    x = 11,313,254.14/3,821.79
  6. Step 6: Final answer
    x = 2,960.20

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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.