Home / 3,721.42-5,582.84-1,223.31

Finding the Fourth Proportional to 3,721.42, 5,582.84 and 1,223.31

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Solution

The fourth proportional to 3,721.42, 5,582.84 and 1,223.31 is: 1,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.42 : 5,582.84 = 1,223.31 : x
  2. Step 2: Convert to fraction form
    3,721.42/5,582.84 = 1,223.31/x
  3. Step 3: Cross multiply
    3,721.42x = 5,582.84 × 1,223.31
  4. Step 4: Simplify right side
    3,721.42x = 6,829,537.88
  5. Step 5: Solve for x
    x = 6,829,537.88/3,721.42
  6. Step 6: Final answer
    x = 1,835.20

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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.