Home / 3,209.47-4,428.91-1,792.88

Finding the Fourth Proportional to 3,209.47, 4,428.91 and 1,792.88

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Solution

The fourth proportional to 3,209.47, 4,428.91 and 1,792.88 is: 2,474.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.47 : 4,428.91 = 1,792.88 : x
  2. Step 2: Convert to fraction form
    3,209.47/4,428.91 = 1,792.88/x
  3. Step 3: Cross multiply
    3,209.47x = 4,428.91 × 1,792.88
  4. Step 4: Simplify right side
    3,209.47x = 7,940,482.02
  5. Step 5: Solve for x
    x = 7,940,482.02/3,209.47
  6. Step 6: Final answer
    x = 2,474.08

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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.