Home / 3,453.35-4,765.70-2,127.92

Finding the Fourth Proportional to 3,453.35, 4,765.70 and 2,127.92

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Solution

The fourth proportional to 3,453.35, 4,765.70 and 2,127.92 is: 2,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.35 : 4,765.70 = 2,127.92 : x
  2. Step 2: Convert to fraction form
    3,453.35/4,765.70 = 2,127.92/x
  3. Step 3: Cross multiply
    3,453.35x = 4,765.70 × 2,127.92
  4. Step 4: Simplify right side
    3,453.35x = 10,141,009.84
  5. Step 5: Solve for x
    x = 10,141,009.84/3,453.35
  6. Step 6: Final answer
    x = 2,936.58

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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.