Home / 3,397.67-4,688.97-2,556.86

Finding the Fourth Proportional to 3,397.67, 4,688.97 and 2,556.86

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Solution

The fourth proportional to 3,397.67, 4,688.97 and 2,556.86 is: 3,528.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.67 : 4,688.97 = 2,556.86 : x
  2. Step 2: Convert to fraction form
    3,397.67/4,688.97 = 2,556.86/x
  3. Step 3: Cross multiply
    3,397.67x = 4,688.97 × 2,556.86
  4. Step 4: Simplify right side
    3,397.67x = 11,989,039.83
  5. Step 5: Solve for x
    x = 11,989,039.83/3,397.67
  6. Step 6: Final answer
    x = 3,528.61

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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.