Home / 3,276.42-4,520.70-1,949.40

Finding the Fourth Proportional to 3,276.42, 4,520.70 and 1,949.40

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Solution

The fourth proportional to 3,276.42, 4,520.70 and 1,949.40 is: 2,689.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.42 : 4,520.70 = 1,949.40 : x
  2. Step 2: Convert to fraction form
    3,276.42/4,520.70 = 1,949.40/x
  3. Step 3: Cross multiply
    3,276.42x = 4,520.70 × 1,949.40
  4. Step 4: Simplify right side
    3,276.42x = 8,812,652.58
  5. Step 5: Solve for x
    x = 8,812,652.58/3,276.42
  6. Step 6: Final answer
    x = 2,689.72

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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.