Home / 2,661.24-3,995.70-1,895.80

Finding the Fourth Proportional to 2,661.24, 3,995.70 and 1,895.80

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Solution

The fourth proportional to 2,661.24, 3,995.70 and 1,895.80 is: 2,846.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.24 : 3,995.70 = 1,895.80 : x
  2. Step 2: Convert to fraction form
    2,661.24/3,995.70 = 1,895.80/x
  3. Step 3: Cross multiply
    2,661.24x = 3,995.70 × 1,895.80
  4. Step 4: Simplify right side
    2,661.24x = 7,575,048.06
  5. Step 5: Solve for x
    x = 7,575,048.06/2,661.24
  6. Step 6: Final answer
    x = 2,846.44

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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.