Home / 2,579.07-3,559.12-1,400.15

Finding the Fourth Proportional to 2,579.07, 3,559.12 and 1,400.15

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Solution

The fourth proportional to 2,579.07, 3,559.12 and 1,400.15 is: 1,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.07 : 3,559.12 = 1,400.15 : x
  2. Step 2: Convert to fraction form
    2,579.07/3,559.12 = 1,400.15/x
  3. Step 3: Cross multiply
    2,579.07x = 3,559.12 × 1,400.15
  4. Step 4: Simplify right side
    2,579.07x = 4,983,315.14
  5. Step 5: Solve for x
    x = 4,983,315.14/2,579.07
  6. Step 6: Final answer
    x = 1,932.21

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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.