Home / 3,072.51-4,237.77-2,408.04

Finding the Fourth Proportional to 3,072.51, 4,237.77 and 2,408.04

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Solution

The fourth proportional to 3,072.51, 4,237.77 and 2,408.04 is: 3,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.51 : 4,237.77 = 2,408.04 : x
  2. Step 2: Convert to fraction form
    3,072.51/4,237.77 = 2,408.04/x
  3. Step 3: Cross multiply
    3,072.51x = 4,237.77 × 2,408.04
  4. Step 4: Simplify right side
    3,072.51x = 10,204,719.67
  5. Step 5: Solve for x
    x = 10,204,719.67/3,072.51
  6. Step 6: Final answer
    x = 3,321.30

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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.