Home / 3,477.33-5,217.14-1,286.24

Finding the Fourth Proportional to 3,477.33, 5,217.14 and 1,286.24

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Solution

The fourth proportional to 3,477.33, 5,217.14 and 1,286.24 is: 1,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.33 : 5,217.14 = 1,286.24 : x
  2. Step 2: Convert to fraction form
    3,477.33/5,217.14 = 1,286.24/x
  3. Step 3: Cross multiply
    3,477.33x = 5,217.14 × 1,286.24
  4. Step 4: Simplify right side
    3,477.33x = 6,710,471.28
  5. Step 5: Solve for x
    x = 6,710,471.28/3,477.33
  6. Step 6: Final answer
    x = 1,929.78

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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.