Home / 3,727.24-5,143.73-2,134.13

Finding the Fourth Proportional to 3,727.24, 5,143.73 and 2,134.13

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Solution

The fourth proportional to 3,727.24, 5,143.73 and 2,134.13 is: 2,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.24 : 5,143.73 = 2,134.13 : x
  2. Step 2: Convert to fraction form
    3,727.24/5,143.73 = 2,134.13/x
  3. Step 3: Cross multiply
    3,727.24x = 5,143.73 × 2,134.13
  4. Step 4: Simplify right side
    3,727.24x = 10,977,390.69
  5. Step 5: Solve for x
    x = 10,977,390.69/3,727.24
  6. Step 6: Final answer
    x = 2,945.18

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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.