Home / 3,209.14-4,428.57-1,792.85

Finding the Fourth Proportional to 3,209.14, 4,428.57 and 1,792.85

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Solution

The fourth proportional to 3,209.14, 4,428.57 and 1,792.85 is: 2,474.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.14 : 4,428.57 = 1,792.85 : x
  2. Step 2: Convert to fraction form
    3,209.14/4,428.57 = 1,792.85/x
  3. Step 3: Cross multiply
    3,209.14x = 4,428.57 × 1,792.85
  4. Step 4: Simplify right side
    3,209.14x = 7,939,767.26
  5. Step 5: Solve for x
    x = 7,939,767.26/3,209.14
  6. Step 6: Final answer
    x = 2,474.11

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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.