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Finding the Fourth Proportional to 2,796.65, 3,857.23 and 1,901.07

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Solution

The fourth proportional to 2,796.65, 3,857.23 and 1,901.07 is: 2,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.65 : 3,857.23 = 1,901.07 : x
  2. Step 2: Convert to fraction form
    2,796.65/3,857.23 = 1,901.07/x
  3. Step 3: Cross multiply
    2,796.65x = 3,857.23 × 1,901.07
  4. Step 4: Simplify right side
    2,796.65x = 7,332,864.24
  5. Step 5: Solve for x
    x = 7,332,864.24/2,796.65
  6. Step 6: Final answer
    x = 2,622.02

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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.