Home / 3,982.16-5,492.40-2,408.24

Finding the Fourth Proportional to 3,982.16, 5,492.40 and 2,408.24

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Solution

The fourth proportional to 3,982.16, 5,492.40 and 2,408.24 is: 3,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.16 : 5,492.40 = 2,408.24 : x
  2. Step 2: Convert to fraction form
    3,982.16/5,492.40 = 2,408.24/x
  3. Step 3: Cross multiply
    3,982.16x = 5,492.40 × 2,408.24
  4. Step 4: Simplify right side
    3,982.16x = 13,227,017.38
  5. Step 5: Solve for x
    x = 13,227,017.38/3,982.16
  6. Step 6: Final answer
    x = 3,321.57

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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.