Home / 2,551.87-3,821.32-2,037.79

Finding the Fourth Proportional to 2,551.87, 3,821.32 and 2,037.79

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Solution

The fourth proportional to 2,551.87, 3,821.32 and 2,037.79 is: 3,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.87 : 3,821.32 = 2,037.79 : x
  2. Step 2: Convert to fraction form
    2,551.87/3,821.32 = 2,037.79/x
  3. Step 3: Cross multiply
    2,551.87x = 3,821.32 × 2,037.79
  4. Step 4: Simplify right side
    2,551.87x = 7,787,018.39
  5. Step 5: Solve for x
    x = 7,787,018.39/2,551.87
  6. Step 6: Final answer
    x = 3,051.50

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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.