Home / 2,582.63-3,874.75-1,121.99

Finding the Fourth Proportional to 2,582.63, 3,874.75 and 1,121.99

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Solution

The fourth proportional to 2,582.63, 3,874.75 and 1,121.99 is: 1,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,582.63 : 3,874.75 = 1,121.99 : x
  2. Step 2: Convert to fraction form
    2,582.63/3,874.75 = 1,121.99/x
  3. Step 3: Cross multiply
    2,582.63x = 3,874.75 × 1,121.99
  4. Step 4: Simplify right side
    2,582.63x = 4,347,437.63
  5. Step 5: Solve for x
    x = 4,347,437.63/2,582.63
  6. Step 6: Final answer
    x = 1,683.34

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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.