Home / 3,254.85-4,882.68-1,406.43

Finding the Fourth Proportional to 3,254.85, 4,882.68 and 1,406.43

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Solution

The fourth proportional to 3,254.85, 4,882.68 and 1,406.43 is: 2,109.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.85 : 4,882.68 = 1,406.43 : x
  2. Step 2: Convert to fraction form
    3,254.85/4,882.68 = 1,406.43/x
  3. Step 3: Cross multiply
    3,254.85x = 4,882.68 × 1,406.43
  4. Step 4: Simplify right side
    3,254.85x = 6,867,147.63
  5. Step 5: Solve for x
    x = 6,867,147.63/3,254.85
  6. Step 6: Final answer
    x = 2,109.82

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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.