Home / 3,936.03-5,431.66-2,424.26

Finding the Fourth Proportional to 3,936.03, 5,431.66 and 2,424.26

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Solution

The fourth proportional to 3,936.03, 5,431.66 and 2,424.26 is: 3,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.03 : 5,431.66 = 2,424.26 : x
  2. Step 2: Convert to fraction form
    3,936.03/5,431.66 = 2,424.26/x
  3. Step 3: Cross multiply
    3,936.03x = 5,431.66 × 2,424.26
  4. Step 4: Simplify right side
    3,936.03x = 13,167,763.59
  5. Step 5: Solve for x
    x = 13,167,763.59/3,936.03
  6. Step 6: Final answer
    x = 3,345.45

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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.