Home / 3,018.87-4,166.54-1,839.86

Finding the Fourth Proportional to 3,018.87, 4,166.54 and 1,839.86

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Solution

The fourth proportional to 3,018.87, 4,166.54 and 1,839.86 is: 2,539.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.87 : 4,166.54 = 1,839.86 : x
  2. Step 2: Convert to fraction form
    3,018.87/4,166.54 = 1,839.86/x
  3. Step 3: Cross multiply
    3,018.87x = 4,166.54 × 1,839.86
  4. Step 4: Simplify right side
    3,018.87x = 7,665,866.21
  5. Step 5: Solve for x
    x = 7,665,866.21/3,018.87
  6. Step 6: Final answer
    x = 2,539.32

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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.