Home / 3,546.78-5,340.95-2,628.86

Finding the Fourth Proportional to 3,546.78, 5,340.95 and 2,628.86

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Solution

The fourth proportional to 3,546.78, 5,340.95 and 2,628.86 is: 3,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.78 : 5,340.95 = 2,628.86 : x
  2. Step 2: Convert to fraction form
    3,546.78/5,340.95 = 2,628.86/x
  3. Step 3: Cross multiply
    3,546.78x = 5,340.95 × 2,628.86
  4. Step 4: Simplify right side
    3,546.78x = 14,040,569.97
  5. Step 5: Solve for x
    x = 14,040,569.97/3,546.78
  6. Step 6: Final answer
    x = 3,958.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.