Home / 3,209.02-4,428.31-1,792.68

Finding the Fourth Proportional to 3,209.02, 4,428.31 and 1,792.68

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Solution

The fourth proportional to 3,209.02, 4,428.31 and 1,792.68 is: 2,473.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.02 : 4,428.31 = 1,792.68 : x
  2. Step 2: Convert to fraction form
    3,209.02/4,428.31 = 1,792.68/x
  3. Step 3: Cross multiply
    3,209.02x = 4,428.31 × 1,792.68
  4. Step 4: Simplify right side
    3,209.02x = 7,938,538.29
  5. Step 5: Solve for x
    x = 7,938,538.29/3,209.02
  6. Step 6: Final answer
    x = 2,473.82

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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.