Home / 3,030.37-4,542.82-2,106.37

Finding the Fourth Proportional to 3,030.37, 4,542.82 and 2,106.37

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Solution

The fourth proportional to 3,030.37, 4,542.82 and 2,106.37 is: 3,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.37 : 4,542.82 = 2,106.37 : x
  2. Step 2: Convert to fraction form
    3,030.37/4,542.82 = 2,106.37/x
  3. Step 3: Cross multiply
    3,030.37x = 4,542.82 × 2,106.37
  4. Step 4: Simplify right side
    3,030.37x = 9,568,859.76
  5. Step 5: Solve for x
    x = 9,568,859.76/3,030.37
  6. Step 6: Final answer
    x = 3,157.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.