Home / 3,403.12-5,106.24-2,019.20

Finding the Fourth Proportional to 3,403.12, 5,106.24 and 2,019.20

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Solution

The fourth proportional to 3,403.12, 5,106.24 and 2,019.20 is: 3,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.12 : 5,106.24 = 2,019.20 : x
  2. Step 2: Convert to fraction form
    3,403.12/5,106.24 = 2,019.20/x
  3. Step 3: Cross multiply
    3,403.12x = 5,106.24 × 2,019.20
  4. Step 4: Simplify right side
    3,403.12x = 10,310,519.81
  5. Step 5: Solve for x
    x = 10,310,519.81/3,403.12
  6. Step 6: Final answer
    x = 3,029.73

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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.