Home / 3,425.68-4,725.20-2,418.86

Finding the Fourth Proportional to 3,425.68, 4,725.20 and 2,418.86

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Solution

The fourth proportional to 3,425.68, 4,725.20 and 2,418.86 is: 3,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.68 : 4,725.20 = 2,418.86 : x
  2. Step 2: Convert to fraction form
    3,425.68/4,725.20 = 2,418.86/x
  3. Step 3: Cross multiply
    3,425.68x = 4,725.20 × 2,418.86
  4. Step 4: Simplify right side
    3,425.68x = 11,429,601.53
  5. Step 5: Solve for x
    x = 11,429,601.53/3,425.68
  6. Step 6: Final answer
    x = 3,336.45

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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.