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Finding the Fourth Proportional to 2,608.57, 3,600.57 and 1,724.59

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Solution

The fourth proportional to 2,608.57, 3,600.57 and 1,724.59 is: 2,380.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.57 : 3,600.57 = 1,724.59 : x
  2. Step 2: Convert to fraction form
    2,608.57/3,600.57 = 1,724.59/x
  3. Step 3: Cross multiply
    2,608.57x = 3,600.57 × 1,724.59
  4. Step 4: Simplify right side
    2,608.57x = 6,209,507.02
  5. Step 5: Solve for x
    x = 6,209,507.02/2,608.57
  6. Step 6: Final answer
    x = 2,380.43

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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.