Home / 3,628.12-5,448.66-2,971.26

Finding the Fourth Proportional to 3,628.12, 5,448.66 and 2,971.26

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Solution

The fourth proportional to 3,628.12, 5,448.66 and 2,971.26 is: 4,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.12 : 5,448.66 = 2,971.26 : x
  2. Step 2: Convert to fraction form
    3,628.12/5,448.66 = 2,971.26/x
  3. Step 3: Cross multiply
    3,628.12x = 5,448.66 × 2,971.26
  4. Step 4: Simplify right side
    3,628.12x = 16,189,385.51
  5. Step 5: Solve for x
    x = 16,189,385.51/3,628.12
  6. Step 6: Final answer
    x = 4,462.20

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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.