Home / 3,935.10-5,900.93-2,085.80

Finding the Fourth Proportional to 3,935.10, 5,900.93 and 2,085.80

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Solution

The fourth proportional to 3,935.10, 5,900.93 and 2,085.80 is: 3,127.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.10 : 5,900.93 = 2,085.80 : x
  2. Step 2: Convert to fraction form
    3,935.10/5,900.93 = 2,085.80/x
  3. Step 3: Cross multiply
    3,935.10x = 5,900.93 × 2,085.80
  4. Step 4: Simplify right side
    3,935.10x = 12,308,127.68
  5. Step 5: Solve for x
    x = 12,308,127.68/3,935.10
  6. Step 6: Final answer
    x = 3,127.78

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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.