Home / 3,760.07-5,188.93-2,188.13

Finding the Fourth Proportional to 3,760.07, 5,188.93 and 2,188.13

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Solution

The fourth proportional to 3,760.07, 5,188.93 and 2,188.13 is: 3,019.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.07 : 5,188.93 = 2,188.13 : x
  2. Step 2: Convert to fraction form
    3,760.07/5,188.93 = 2,188.13/x
  3. Step 3: Cross multiply
    3,760.07x = 5,188.93 × 2,188.13
  4. Step 4: Simplify right side
    3,760.07x = 11,354,021.99
  5. Step 5: Solve for x
    x = 11,354,021.99/3,760.07
  6. Step 6: Final answer
    x = 3,019.63

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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.