Home / 2,579.67-3,559.92-1,400.74

Finding the Fourth Proportional to 2,579.67, 3,559.92 and 1,400.74

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Solution

The fourth proportional to 2,579.67, 3,559.92 and 1,400.74 is: 1,933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.67 : 3,559.92 = 1,400.74 : x
  2. Step 2: Convert to fraction form
    2,579.67/3,559.92 = 1,400.74/x
  3. Step 3: Cross multiply
    2,579.67x = 3,559.92 × 1,400.74
  4. Step 4: Simplify right side
    2,579.67x = 4,986,540.03
  5. Step 5: Solve for x
    x = 4,986,540.03/2,579.67
  6. Step 6: Final answer
    x = 1,933.01

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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.