Home / 3,679.17-5,077.43-2,107.27

Finding the Fourth Proportional to 3,679.17, 5,077.43 and 2,107.27

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Solution

The fourth proportional to 3,679.17, 5,077.43 and 2,107.27 is: 2,908.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.17 : 5,077.43 = 2,107.27 : x
  2. Step 2: Convert to fraction form
    3,679.17/5,077.43 = 2,107.27/x
  3. Step 3: Cross multiply
    3,679.17x = 5,077.43 × 2,107.27
  4. Step 4: Simplify right side
    3,679.17x = 10,699,502.92
  5. Step 5: Solve for x
    x = 10,699,502.92/3,679.17
  6. Step 6: Final answer
    x = 2,908.13

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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.