Home / 3,829.04-5,736.08-2,640.30

Finding the Fourth Proportional to 3,829.04, 5,736.08 and 2,640.30

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Solution

The fourth proportional to 3,829.04, 5,736.08 and 2,640.30 is: 3,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.04 : 5,736.08 = 2,640.30 : x
  2. Step 2: Convert to fraction form
    3,829.04/5,736.08 = 2,640.30/x
  3. Step 3: Cross multiply
    3,829.04x = 5,736.08 × 2,640.30
  4. Step 4: Simplify right side
    3,829.04x = 15,144,972.02
  5. Step 5: Solve for x
    x = 15,144,972.02/3,829.04
  6. Step 6: Final answer
    x = 3,955.29

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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.