Home / 3,125.73-4,688.69-1,369.83

Finding the Fourth Proportional to 3,125.73, 4,688.69 and 1,369.83

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Solution

The fourth proportional to 3,125.73, 4,688.69 and 1,369.83 is: 2,054.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.73 : 4,688.69 = 1,369.83 : x
  2. Step 2: Convert to fraction form
    3,125.73/4,688.69 = 1,369.83/x
  3. Step 3: Cross multiply
    3,125.73x = 4,688.69 × 1,369.83
  4. Step 4: Simplify right side
    3,125.73x = 6,422,701.37
  5. Step 5: Solve for x
    x = 6,422,701.37/3,125.73
  6. Step 6: Final answer
    x = 2,054.78

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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.