Home / 3,408.42-5,084.92-3,090.11

Finding the Fourth Proportional to 3,408.42, 5,084.92 and 3,090.11

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Solution

The fourth proportional to 3,408.42, 5,084.92 and 3,090.11 is: 4,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.42 : 5,084.92 = 3,090.11 : x
  2. Step 2: Convert to fraction form
    3,408.42/5,084.92 = 3,090.11/x
  3. Step 3: Cross multiply
    3,408.42x = 5,084.92 × 3,090.11
  4. Step 4: Simplify right side
    3,408.42x = 15,712,946.69
  5. Step 5: Solve for x
    x = 15,712,946.69/3,408.42
  6. Step 6: Final answer
    x = 4,610.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.