Home / 3,629.04-5,009.48-2,839.92

Finding the Fourth Proportional to 3,629.04, 5,009.48 and 2,839.92

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Solution

The fourth proportional to 3,629.04, 5,009.48 and 2,839.92 is: 3,920.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.04 : 5,009.48 = 2,839.92 : x
  2. Step 2: Convert to fraction form
    3,629.04/5,009.48 = 2,839.92/x
  3. Step 3: Cross multiply
    3,629.04x = 5,009.48 × 2,839.92
  4. Step 4: Simplify right side
    3,629.04x = 14,226,522.44
  5. Step 5: Solve for x
    x = 14,226,522.44/3,629.04
  6. Step 6: Final answer
    x = 3,920.19

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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.