Home / 3,661.20-5,488.02-1,582.56

Finding the Fourth Proportional to 3,661.20, 5,488.02 and 1,582.56

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Solution

The fourth proportional to 3,661.20, 5,488.02 and 1,582.56 is: 2,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.20 : 5,488.02 = 1,582.56 : x
  2. Step 2: Convert to fraction form
    3,661.20/5,488.02 = 1,582.56/x
  3. Step 3: Cross multiply
    3,661.20x = 5,488.02 × 1,582.56
  4. Step 4: Simplify right side
    3,661.20x = 8,685,120.93
  5. Step 5: Solve for x
    x = 8,685,120.93/3,661.20
  6. Step 6: Final answer
    x = 2,372.21

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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.