Home / 3,472.38-5,208.57-2,101.50

Finding the Fourth Proportional to 3,472.38, 5,208.57 and 2,101.50

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Solution

The fourth proportional to 3,472.38, 5,208.57 and 2,101.50 is: 3,152.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.38 : 5,208.57 = 2,101.50 : x
  2. Step 2: Convert to fraction form
    3,472.38/5,208.57 = 2,101.50/x
  3. Step 3: Cross multiply
    3,472.38x = 5,208.57 × 2,101.50
  4. Step 4: Simplify right side
    3,472.38x = 10,945,809.86
  5. Step 5: Solve for x
    x = 10,945,809.86/3,472.38
  6. Step 6: Final answer
    x = 3,152.25

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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.