Home / 2,582.08-3,874.48-1,122.25

Finding the Fourth Proportional to 2,582.08, 3,874.48 and 1,122.25

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Solution

The fourth proportional to 2,582.08, 3,874.48 and 1,122.25 is: 1,683.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,582.08 : 3,874.48 = 1,122.25 : x
  2. Step 2: Convert to fraction form
    2,582.08/3,874.48 = 1,122.25/x
  3. Step 3: Cross multiply
    2,582.08x = 3,874.48 × 1,122.25
  4. Step 4: Simplify right side
    2,582.08x = 4,348,135.18
  5. Step 5: Solve for x
    x = 4,348,135.18/2,582.08
  6. Step 6: Final answer
    x = 1,683.97

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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.