Home / 3,138.33-4,332.06-2,694.45

Finding the Fourth Proportional to 3,138.33, 4,332.06 and 2,694.45

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Solution

The fourth proportional to 3,138.33, 4,332.06 and 2,694.45 is: 3,719.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138.33 : 4,332.06 = 2,694.45 : x
  2. Step 2: Convert to fraction form
    3,138.33/4,332.06 = 2,694.45/x
  3. Step 3: Cross multiply
    3,138.33x = 4,332.06 × 2,694.45
  4. Step 4: Simplify right side
    3,138.33x = 11,672,519.07
  5. Step 5: Solve for x
    x = 11,672,519.07/3,138.33
  6. Step 6: Final answer
    x = 3,719.34

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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.