Home / 2,582.22-3,873.26-938.80

Finding the Fourth Proportional to 2,582.22, 3,873.26 and 938.80

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Solution

The fourth proportional to 2,582.22, 3,873.26 and 938.80 is: 1,408.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,582.22 : 3,873.26 = 938.80 : x
  2. Step 2: Convert to fraction form
    2,582.22/3,873.26 = 938.80/x
  3. Step 3: Cross multiply
    2,582.22x = 3,873.26 × 938.80
  4. Step 4: Simplify right side
    2,582.22x = 3,636,209.15
  5. Step 5: Solve for x
    x = 3,636,209.15/2,582.22
  6. Step 6: Final answer
    x = 1,408.17

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1.5x scale

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.