Home / 3,829.13-5,284.20-2,173.13

Finding the Fourth Proportional to 3,829.13, 5,284.20 and 2,173.13

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Solution

The fourth proportional to 3,829.13, 5,284.20 and 2,173.13 is: 2,998.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.13 : 5,284.20 = 2,173.13 : x
  2. Step 2: Convert to fraction form
    3,829.13/5,284.20 = 2,173.13/x
  3. Step 3: Cross multiply
    3,829.13x = 5,284.20 × 2,173.13
  4. Step 4: Simplify right side
    3,829.13x = 11,483,216.26
  5. Step 5: Solve for x
    x = 11,483,216.26/3,829.13
  6. Step 6: Final answer
    x = 2,998.91

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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.