Home / 3,418.60-4,716.68-2,225.34

Finding the Fourth Proportional to 3,418.60, 4,716.68 and 2,225.34

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Solution

The fourth proportional to 3,418.60, 4,716.68 and 2,225.34 is: 3,070.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.60 : 4,716.68 = 2,225.34 : x
  2. Step 2: Convert to fraction form
    3,418.60/4,716.68 = 2,225.34/x
  3. Step 3: Cross multiply
    3,418.60x = 4,716.68 × 2,225.34
  4. Step 4: Simplify right side
    3,418.60x = 10,496,216.67
  5. Step 5: Solve for x
    x = 10,496,216.67/3,418.60
  6. Step 6: Final answer
    x = 3,070.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.