Home / 3,685.14-5,085.44-2,006.50

Finding the Fourth Proportional to 3,685.14, 5,085.44 and 2,006.50

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Solution

The fourth proportional to 3,685.14, 5,085.44 and 2,006.50 is: 2,768.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.14 : 5,085.44 = 2,006.50 : x
  2. Step 2: Convert to fraction form
    3,685.14/5,085.44 = 2,006.50/x
  3. Step 3: Cross multiply
    3,685.14x = 5,085.44 × 2,006.50
  4. Step 4: Simplify right side
    3,685.14x = 10,203,935.36
  5. Step 5: Solve for x
    x = 10,203,935.36/3,685.14
  6. Step 6: Final answer
    x = 2,768.94

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1.5x scale

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.