Home / 3,977.54-5,940.30-3,386.24

Finding the Fourth Proportional to 3,977.54, 5,940.30 and 3,386.24

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Solution

The fourth proportional to 3,977.54, 5,940.30 and 3,386.24 is: 5,057.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.54 : 5,940.30 = 3,386.24 : x
  2. Step 2: Convert to fraction form
    3,977.54/5,940.30 = 3,386.24/x
  3. Step 3: Cross multiply
    3,977.54x = 5,940.30 × 3,386.24
  4. Step 4: Simplify right side
    3,977.54x = 20,115,286.75
  5. Step 5: Solve for x
    x = 20,115,286.75/3,977.54
  6. Step 6: Final answer
    x = 5,057.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.