Home / 3,806.94-5,710.40-2,141.18

Finding the Fourth Proportional to 3,806.94, 5,710.40 and 2,141.18

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Solution

The fourth proportional to 3,806.94, 5,710.40 and 2,141.18 is: 3,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.94 : 5,710.40 = 2,141.18 : x
  2. Step 2: Convert to fraction form
    3,806.94/5,710.40 = 2,141.18/x
  3. Step 3: Cross multiply
    3,806.94x = 5,710.40 × 2,141.18
  4. Step 4: Simplify right side
    3,806.94x = 12,226,994.27
  5. Step 5: Solve for x
    x = 12,226,994.27/3,806.94
  6. Step 6: Final answer
    x = 3,211.76

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1.5x scale

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.