Home / 3,272.42-4,516.80-1,947.02

Finding the Fourth Proportional to 3,272.42, 4,516.80 and 1,947.02

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Solution

The fourth proportional to 3,272.42, 4,516.80 and 1,947.02 is: 2,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.42 : 4,516.80 = 1,947.02 : x
  2. Step 2: Convert to fraction form
    3,272.42/4,516.80 = 1,947.02/x
  3. Step 3: Cross multiply
    3,272.42x = 4,516.80 × 1,947.02
  4. Step 4: Simplify right side
    3,272.42x = 8,794,299.94
  5. Step 5: Solve for x
    x = 8,794,299.94/3,272.42
  6. Step 6: Final answer
    x = 2,687.40

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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.