Home / 3,615.30-4,989.09-2,043.39

Finding the Fourth Proportional to 3,615.30, 4,989.09 and 2,043.39

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Solution

The fourth proportional to 3,615.30, 4,989.09 and 2,043.39 is: 2,819.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615.30 : 4,989.09 = 2,043.39 : x
  2. Step 2: Convert to fraction form
    3,615.30/4,989.09 = 2,043.39/x
  3. Step 3: Cross multiply
    3,615.30x = 4,989.09 × 2,043.39
  4. Step 4: Simplify right side
    3,615.30x = 10,194,656.62
  5. Step 5: Solve for x
    x = 10,194,656.62/3,615.30
  6. Step 6: Final answer
    x = 2,819.86

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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.