Home / 2,586.72-3,571.44-1,539.12

Finding the Fourth Proportional to 2,586.72, 3,571.44 and 1,539.12

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Solution

The fourth proportional to 2,586.72, 3,571.44 and 1,539.12 is: 2,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.72 : 3,571.44 = 1,539.12 : x
  2. Step 2: Convert to fraction form
    2,586.72/3,571.44 = 1,539.12/x
  3. Step 3: Cross multiply
    2,586.72x = 3,571.44 × 1,539.12
  4. Step 4: Simplify right side
    2,586.72x = 5,496,874.73
  5. Step 5: Solve for x
    x = 5,496,874.73/2,586.72
  6. Step 6: Final answer
    x = 2,125.04

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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.