Home / 3,495.10-4,820.85-2,486.57

Finding the Fourth Proportional to 3,495.10, 4,820.85 and 2,486.57

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Solution

The fourth proportional to 3,495.10, 4,820.85 and 2,486.57 is: 3,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.10 : 4,820.85 = 2,486.57 : x
  2. Step 2: Convert to fraction form
    3,495.10/4,820.85 = 2,486.57/x
  3. Step 3: Cross multiply
    3,495.10x = 4,820.85 × 2,486.57
  4. Step 4: Simplify right side
    3,495.10x = 11,987,408.05
  5. Step 5: Solve for x
    x = 11,987,408.05/3,495.10
  6. Step 6: Final answer
    x = 3,429.78

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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.