Home / 3,721.86-5,582.79-1,089.59

Finding the Fourth Proportional to 3,721.86, 5,582.79 and 1,089.59

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Solution

The fourth proportional to 3,721.86, 5,582.79 and 1,089.59 is: 1,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.86 : 5,582.79 = 1,089.59 : x
  2. Step 2: Convert to fraction form
    3,721.86/5,582.79 = 1,089.59/x
  3. Step 3: Cross multiply
    3,721.86x = 5,582.79 × 1,089.59
  4. Step 4: Simplify right side
    3,721.86x = 6,082,924.24
  5. Step 5: Solve for x
    x = 6,082,924.24/3,721.86
  6. Step 6: Final answer
    x = 1,634.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.