Home / 3,704.07-5,111.64-2,132.18

Finding the Fourth Proportional to 3,704.07, 5,111.64 and 2,132.18

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Solution

The fourth proportional to 3,704.07, 5,111.64 and 2,132.18 is: 2,942.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.07 : 5,111.64 = 2,132.18 : x
  2. Step 2: Convert to fraction form
    3,704.07/5,111.64 = 2,132.18/x
  3. Step 3: Cross multiply
    3,704.07x = 5,111.64 × 2,132.18
  4. Step 4: Simplify right side
    3,704.07x = 10,898,911.02
  5. Step 5: Solve for x
    x = 10,898,911.02/3,704.07
  6. Step 6: Final answer
    x = 2,942.41

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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.