Home / 3,418.68-4,718.39-3,262.86

Finding the Fourth Proportional to 3,418.68, 4,718.39 and 3,262.86

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Solution

The fourth proportional to 3,418.68, 4,718.39 and 3,262.86 is: 4,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.68 : 4,718.39 = 3,262.86 : x
  2. Step 2: Convert to fraction form
    3,418.68/4,718.39 = 3,262.86/x
  3. Step 3: Cross multiply
    3,418.68x = 4,718.39 × 3,262.86
  4. Step 4: Simplify right side
    3,418.68x = 15,395,429.68
  5. Step 5: Solve for x
    x = 15,395,429.68/3,418.68
  6. Step 6: Final answer
    x = 4,503.32

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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.