Home / 2,582.22-3,871.41-1,020.95

Finding the Fourth Proportional to 2,582.22, 3,871.41 and 1,020.95

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Solution

The fourth proportional to 2,582.22, 3,871.41 and 1,020.95 is: 1,530.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,582.22 : 3,871.41 = 1,020.95 : x
  2. Step 2: Convert to fraction form
    2,582.22/3,871.41 = 1,020.95/x
  3. Step 3: Cross multiply
    2,582.22x = 3,871.41 × 1,020.95
  4. Step 4: Simplify right side
    2,582.22x = 3,952,513.11
  5. Step 5: Solve for x
    x = 3,952,513.11/2,582.22
  6. Step 6: Final answer
    x = 1,530.66

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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.