Home / 3,911.23-5,397.39-2,232.31

Finding the Fourth Proportional to 3,911.23, 5,397.39 and 2,232.31

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Solution

The fourth proportional to 3,911.23, 5,397.39 and 2,232.31 is: 3,080.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.23 : 5,397.39 = 2,232.31 : x
  2. Step 2: Convert to fraction form
    3,911.23/5,397.39 = 2,232.31/x
  3. Step 3: Cross multiply
    3,911.23x = 5,397.39 × 2,232.31
  4. Step 4: Simplify right side
    3,911.23x = 12,048,628.79
  5. Step 5: Solve for x
    x = 12,048,628.79/3,911.23
  6. Step 6: Final answer
    x = 3,080.52

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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.