Home / 2,579.50-3,559.62-1,400.55

Finding the Fourth Proportional to 2,579.50, 3,559.62 and 1,400.55

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Solution

The fourth proportional to 2,579.50, 3,559.62 and 1,400.55 is: 1,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.50 : 3,559.62 = 1,400.55 : x
  2. Step 2: Convert to fraction form
    2,579.50/3,559.62 = 1,400.55/x
  3. Step 3: Cross multiply
    2,579.50x = 3,559.62 × 1,400.55
  4. Step 4: Simplify right side
    2,579.50x = 4,985,425.79
  5. Step 5: Solve for x
    x = 4,985,425.79/2,579.50
  6. Step 6: Final answer
    x = 1,932.71

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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.