Home / 3,810.98-5,716.92-1,618.49

Finding the Fourth Proportional to 3,810.98, 5,716.92 and 1,618.49

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Solution

The fourth proportional to 3,810.98, 5,716.92 and 1,618.49 is: 2,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.98 : 5,716.92 = 1,618.49 : x
  2. Step 2: Convert to fraction form
    3,810.98/5,716.92 = 1,618.49/x
  3. Step 3: Cross multiply
    3,810.98x = 5,716.92 × 1,618.49
  4. Step 4: Simplify right side
    3,810.98x = 9,252,777.85
  5. Step 5: Solve for x
    x = 9,252,777.85/3,810.98
  6. Step 6: Final answer
    x = 2,427.93

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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.