Home / 3,811.93-5,260.55-2,694.87

Finding the Fourth Proportional to 3,811.93, 5,260.55 and 2,694.87

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Solution

The fourth proportional to 3,811.93, 5,260.55 and 2,694.87 is: 3,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.93 : 5,260.55 = 2,694.87 : x
  2. Step 2: Convert to fraction form
    3,811.93/5,260.55 = 2,694.87/x
  3. Step 3: Cross multiply
    3,811.93x = 5,260.55 × 2,694.87
  4. Step 4: Simplify right side
    3,811.93x = 14,176,484.90
  5. Step 5: Solve for x
    x = 14,176,484.90/3,811.93
  6. Step 6: Final answer
    x = 3,718.98

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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.