Home / 3,164.52-4,768.21-2,628.70

Finding the Fourth Proportional to 3,164.52, 4,768.21 and 2,628.70

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Solution

The fourth proportional to 3,164.52, 4,768.21 and 2,628.70 is: 3,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.52 : 4,768.21 = 2,628.70 : x
  2. Step 2: Convert to fraction form
    3,164.52/4,768.21 = 2,628.70/x
  3. Step 3: Cross multiply
    3,164.52x = 4,768.21 × 2,628.70
  4. Step 4: Simplify right side
    3,164.52x = 12,534,193.63
  5. Step 5: Solve for x
    x = 12,534,193.63/3,164.52
  6. Step 6: Final answer
    x = 3,960.85

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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.