Home / 3,040-4,199.68-1,995.52

Finding the Fourth Proportional to 3,040, 4,199.68 and 1,995.52

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Solution

The fourth proportional to 3,040, 4,199.68 and 1,995.52 is: 2,756.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040 : 4,199.68 = 1,995.52 : x
  2. Step 2: Convert to fraction form
    3,040/4,199.68 = 1,995.52/x
  3. Step 3: Cross multiply
    3,040x = 4,199.68 × 1,995.52
  4. Step 4: Simplify right side
    3,040x = 8,380,545.43
  5. Step 5: Solve for x
    x = 8,380,545.43/3,040
  6. Step 6: Final answer
    x = 2,756.76

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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.