Home / 2,579.29-3,559.38-1,400.35

Finding the Fourth Proportional to 2,579.29, 3,559.38 and 1,400.35

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Solution

The fourth proportional to 2,579.29, 3,559.38 and 1,400.35 is: 1,932.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.29 : 3,559.38 = 1,400.35 : x
  2. Step 2: Convert to fraction form
    2,579.29/3,559.38 = 1,400.35/x
  3. Step 3: Cross multiply
    2,579.29x = 3,559.38 × 1,400.35
  4. Step 4: Simplify right side
    2,579.29x = 4,984,377.78
  5. Step 5: Solve for x
    x = 4,984,377.78/2,579.29
  6. Step 6: Final answer
    x = 1,932.46

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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.