Home / 2,857.98-3,944.25-1,599.15

Finding the Fourth Proportional to 2,857.98, 3,944.25 and 1,599.15

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Solution

The fourth proportional to 2,857.98, 3,944.25 and 1,599.15 is: 2,206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.98 : 3,944.25 = 1,599.15 : x
  2. Step 2: Convert to fraction form
    2,857.98/3,944.25 = 1,599.15/x
  3. Step 3: Cross multiply
    2,857.98x = 3,944.25 × 1,599.15
  4. Step 4: Simplify right side
    2,857.98x = 6,307,466.68
  5. Step 5: Solve for x
    x = 6,307,466.68/2,857.98
  6. Step 6: Final answer
    x = 2,206.97

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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.