Home / 3,911.36-5,397.17-2,232.68

Finding the Fourth Proportional to 3,911.36, 5,397.17 and 2,232.68

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Solution

The fourth proportional to 3,911.36, 5,397.17 and 2,232.68 is: 3,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.36 : 5,397.17 = 2,232.68 : x
  2. Step 2: Convert to fraction form
    3,911.36/5,397.17 = 2,232.68/x
  3. Step 3: Cross multiply
    3,911.36x = 5,397.17 × 2,232.68
  4. Step 4: Simplify right side
    3,911.36x = 12,050,115.37
  5. Step 5: Solve for x
    x = 12,050,115.37/3,911.36
  6. Step 6: Final answer
    x = 3,080.80

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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.