Home / 3,113.03-4,291.85-2,579.92

Finding the Fourth Proportional to 3,113.03, 4,291.85 and 2,579.92

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Solution

The fourth proportional to 3,113.03, 4,291.85 and 2,579.92 is: 3,556.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.03 : 4,291.85 = 2,579.92 : x
  2. Step 2: Convert to fraction form
    3,113.03/4,291.85 = 2,579.92/x
  3. Step 3: Cross multiply
    3,113.03x = 4,291.85 × 2,579.92
  4. Step 4: Simplify right side
    3,113.03x = 11,072,625.37
  5. Step 5: Solve for x
    x = 11,072,625.37/3,113.03
  6. Step 6: Final answer
    x = 3,556.86

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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.