Home / 3,816.47-5,266.58-2,137.83

Finding the Fourth Proportional to 3,816.47, 5,266.58 and 2,137.83

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Solution

The fourth proportional to 3,816.47, 5,266.58 and 2,137.83 is: 2,950.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.47 : 5,266.58 = 2,137.83 : x
  2. Step 2: Convert to fraction form
    3,816.47/5,266.58 = 2,137.83/x
  3. Step 3: Cross multiply
    3,816.47x = 5,266.58 × 2,137.83
  4. Step 4: Simplify right side
    3,816.47x = 11,259,042.03
  5. Step 5: Solve for x
    x = 11,259,042.03/3,816.47
  6. Step 6: Final answer
    x = 2,950.12

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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.