Home / 2,559.79-3,830.57-2,253.61

Finding the Fourth Proportional to 2,559.79, 3,830.57 and 2,253.61

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Solution

The fourth proportional to 2,559.79, 3,830.57 and 2,253.61 is: 3,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.79 : 3,830.57 = 2,253.61 : x
  2. Step 2: Convert to fraction form
    2,559.79/3,830.57 = 2,253.61/x
  3. Step 3: Cross multiply
    2,559.79x = 3,830.57 × 2,253.61
  4. Step 4: Simplify right side
    2,559.79x = 8,632,610.86
  5. Step 5: Solve for x
    x = 8,632,610.86/2,559.79
  6. Step 6: Final answer
    x = 3,372.39

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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.