Home / 3,112.59-4,291.34-2,579.52

Finding the Fourth Proportional to 3,112.59, 4,291.34 and 2,579.52

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Solution

The fourth proportional to 3,112.59, 4,291.34 and 2,579.52 is: 3,556.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.59 : 4,291.34 = 2,579.52 : x
  2. Step 2: Convert to fraction form
    3,112.59/4,291.34 = 2,579.52/x
  3. Step 3: Cross multiply
    3,112.59x = 4,291.34 × 2,579.52
  4. Step 4: Simplify right side
    3,112.59x = 11,069,584.46
  5. Step 5: Solve for x
    x = 11,069,584.46/3,112.59
  6. Step 6: Final answer
    x = 3,556.39

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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.