Home / 3,212.38-4,816.75-1,914.76

Finding the Fourth Proportional to 3,212.38, 4,816.75 and 1,914.76

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Solution

The fourth proportional to 3,212.38, 4,816.75 and 1,914.76 is: 2,871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.38 : 4,816.75 = 1,914.76 : x
  2. Step 2: Convert to fraction form
    3,212.38/4,816.75 = 1,914.76/x
  3. Step 3: Cross multiply
    3,212.38x = 4,816.75 × 1,914.76
  4. Step 4: Simplify right side
    3,212.38x = 9,222,920.23
  5. Step 5: Solve for x
    x = 9,222,920.23/3,212.38
  6. Step 6: Final answer
    x = 2,871.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.