Home / 2,619.60-3,620.82-2,302.48

Finding the Fourth Proportional to 2,619.60, 3,620.82 and 2,302.48

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Solution

The fourth proportional to 2,619.60, 3,620.82 and 2,302.48 is: 3,182.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.60 : 3,620.82 = 2,302.48 : x
  2. Step 2: Convert to fraction form
    2,619.60/3,620.82 = 2,302.48/x
  3. Step 3: Cross multiply
    2,619.60x = 3,620.82 × 2,302.48
  4. Step 4: Simplify right side
    2,619.60x = 8,336,865.63
  5. Step 5: Solve for x
    x = 8,336,865.63/2,619.60
  6. Step 6: Final answer
    x = 3,182.50

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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.