Home / 3,289.86-4,540.41-2,031.12

Finding the Fourth Proportional to 3,289.86, 4,540.41 and 2,031.12

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Solution

The fourth proportional to 3,289.86, 4,540.41 and 2,031.12 is: 2,803.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.86 : 4,540.41 = 2,031.12 : x
  2. Step 2: Convert to fraction form
    3,289.86/4,540.41 = 2,031.12/x
  3. Step 3: Cross multiply
    3,289.86x = 4,540.41 × 2,031.12
  4. Step 4: Simplify right side
    3,289.86x = 9,222,117.56
  5. Step 5: Solve for x
    x = 9,222,117.56/3,289.86
  6. Step 6: Final answer
    x = 2,803.19

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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.