Home / 2,795.42-3,857.38-1,616.87

Finding the Fourth Proportional to 2,795.42, 3,857.38 and 1,616.87

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Solution

The fourth proportional to 2,795.42, 3,857.38 and 1,616.87 is: 2,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.42 : 3,857.38 = 1,616.87 : x
  2. Step 2: Convert to fraction form
    2,795.42/3,857.38 = 1,616.87/x
  3. Step 3: Cross multiply
    2,795.42x = 3,857.38 × 1,616.87
  4. Step 4: Simplify right side
    2,795.42x = 6,236,882.00
  5. Step 5: Solve for x
    x = 6,236,882.00/2,795.42
  6. Step 6: Final answer
    x = 2,231.11

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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.