Home / 2,586.55-3,877.62-1,027.65

Finding the Fourth Proportional to 2,586.55, 3,877.62 and 1,027.65

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Solution

The fourth proportional to 2,586.55, 3,877.62 and 1,027.65 is: 1,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.55 : 3,877.62 = 1,027.65 : x
  2. Step 2: Convert to fraction form
    2,586.55/3,877.62 = 1,027.65/x
  3. Step 3: Cross multiply
    2,586.55x = 3,877.62 × 1,027.65
  4. Step 4: Simplify right side
    2,586.55x = 3,984,836.19
  5. Step 5: Solve for x
    x = 3,984,836.19/2,586.55
  6. Step 6: Final answer
    x = 1,540.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.