Home / 3,983.31-5,970.33-1,642.68

Finding the Fourth Proportional to 3,983.31, 5,970.33 and 1,642.68

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Solution

The fourth proportional to 3,983.31, 5,970.33 and 1,642.68 is: 2,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.31 : 5,970.33 = 1,642.68 : x
  2. Step 2: Convert to fraction form
    3,983.31/5,970.33 = 1,642.68/x
  3. Step 3: Cross multiply
    3,983.31x = 5,970.33 × 1,642.68
  4. Step 4: Simplify right side
    3,983.31x = 9,807,341.68
  5. Step 5: Solve for x
    x = 9,807,341.68/3,983.31
  6. Step 6: Final answer
    x = 2,462.11

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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.