Home / 3,254.27-4,874.31-1,689.55

Finding the Fourth Proportional to 3,254.27, 4,874.31 and 1,689.55

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Solution

The fourth proportional to 3,254.27, 4,874.31 and 1,689.55 is: 2,530.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.27 : 4,874.31 = 1,689.55 : x
  2. Step 2: Convert to fraction form
    3,254.27/4,874.31 = 1,689.55/x
  3. Step 3: Cross multiply
    3,254.27x = 4,874.31 × 1,689.55
  4. Step 4: Simplify right side
    3,254.27x = 8,235,378.27
  5. Step 5: Solve for x
    x = 8,235,378.27/3,254.27
  6. Step 6: Final answer
    x = 2,530.64

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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.