Home / 2,579.54-3,559.75-1,400.61

Finding the Fourth Proportional to 2,579.54, 3,559.75 and 1,400.61

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Solution

The fourth proportional to 2,579.54, 3,559.75 and 1,400.61 is: 1,932.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.54 : 3,559.75 = 1,400.61 : x
  2. Step 2: Convert to fraction form
    2,579.54/3,559.75 = 1,400.61/x
  3. Step 3: Cross multiply
    2,579.54x = 3,559.75 × 1,400.61
  4. Step 4: Simplify right side
    2,579.54x = 4,985,831.30
  5. Step 5: Solve for x
    x = 4,985,831.30/2,579.54
  6. Step 6: Final answer
    x = 1,932.84

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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.