Home / 3,137.87-4,708.34-1,263.68

Finding the Fourth Proportional to 3,137.87, 4,708.34 and 1,263.68

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Solution

The fourth proportional to 3,137.87, 4,708.34 and 1,263.68 is: 1,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.87 : 4,708.34 = 1,263.68 : x
  2. Step 2: Convert to fraction form
    3,137.87/4,708.34 = 1,263.68/x
  3. Step 3: Cross multiply
    3,137.87x = 4,708.34 × 1,263.68
  4. Step 4: Simplify right side
    3,137.87x = 5,949,828.77
  5. Step 5: Solve for x
    x = 5,949,828.77/3,137.87
  6. Step 6: Final answer
    x = 1,896.14

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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.