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Finding the Fourth Proportional to 3,359.72, 4,640.76 and 2,734.40

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Solution

The fourth proportional to 3,359.72, 4,640.76 and 2,734.40 is: 3,777.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.72 : 4,640.76 = 2,734.40 : x
  2. Step 2: Convert to fraction form
    3,359.72/4,640.76 = 2,734.40/x
  3. Step 3: Cross multiply
    3,359.72x = 4,640.76 × 2,734.40
  4. Step 4: Simplify right side
    3,359.72x = 12,689,694.14
  5. Step 5: Solve for x
    x = 12,689,694.14/3,359.72
  6. Step 6: Final answer
    x = 3,777.01

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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.