Home / 3,087.25-4,630.77-1,237.87

Finding the Fourth Proportional to 3,087.25, 4,630.77 and 1,237.87

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Solution

The fourth proportional to 3,087.25, 4,630.77 and 1,237.87 is: 1,856.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.25 : 4,630.77 = 1,237.87 : x
  2. Step 2: Convert to fraction form
    3,087.25/4,630.77 = 1,237.87/x
  3. Step 3: Cross multiply
    3,087.25x = 4,630.77 × 1,237.87
  4. Step 4: Simplify right side
    3,087.25x = 5,732,297.05
  5. Step 5: Solve for x
    x = 5,732,297.05/3,087.25
  6. Step 6: Final answer
    x = 1,856.76

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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.