Home / 3,760.17-5,189.58-2,189.13

Finding the Fourth Proportional to 3,760.17, 5,189.58 and 2,189.13

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Solution

The fourth proportional to 3,760.17, 5,189.58 and 2,189.13 is: 3,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.17 : 5,189.58 = 2,189.13 : x
  2. Step 2: Convert to fraction form
    3,760.17/5,189.58 = 2,189.13/x
  3. Step 3: Cross multiply
    3,760.17x = 5,189.58 × 2,189.13
  4. Step 4: Simplify right side
    3,760.17x = 11,360,665.27
  5. Step 5: Solve for x
    x = 11,360,665.27/3,760.17
  6. Step 6: Final answer
    x = 3,021.32

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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.