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Finding the Fourth Proportional to 2,586.70, 3,571.35 and 1,593.70

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Solution

The fourth proportional to 2,586.70, 3,571.35 and 1,593.70 is: 2,200.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.70 : 3,571.35 = 1,593.70 : x
  2. Step 2: Convert to fraction form
    2,586.70/3,571.35 = 1,593.70/x
  3. Step 3: Cross multiply
    2,586.70x = 3,571.35 × 1,593.70
  4. Step 4: Simplify right side
    2,586.70x = 5,691,660.50
  5. Step 5: Solve for x
    x = 5,691,660.50/2,586.70
  6. Step 6: Final answer
    x = 2,200.36

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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.