Home / 3,760.16-5,189.92-2,188.48

Finding the Fourth Proportional to 3,760.16, 5,189.92 and 2,188.48

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Solution

The fourth proportional to 3,760.16, 5,189.92 and 2,188.48 is: 3,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.16 : 5,189.92 = 2,188.48 : x
  2. Step 2: Convert to fraction form
    3,760.16/5,189.92 = 2,188.48/x
  3. Step 3: Cross multiply
    3,760.16x = 5,189.92 × 2,188.48
  4. Step 4: Simplify right side
    3,760.16x = 11,358,036.12
  5. Step 5: Solve for x
    x = 11,358,036.12/3,760.16
  6. Step 6: Final answer
    x = 3,020.63

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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.