Home / 3,201.45-4,416.69-2,315.31

Finding the Fourth Proportional to 3,201.45, 4,416.69 and 2,315.31

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Solution

The fourth proportional to 3,201.45, 4,416.69 and 2,315.31 is: 3,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.45 : 4,416.69 = 2,315.31 : x
  2. Step 2: Convert to fraction form
    3,201.45/4,416.69 = 2,315.31/x
  3. Step 3: Cross multiply
    3,201.45x = 4,416.69 × 2,315.31
  4. Step 4: Simplify right side
    3,201.45x = 10,226,006.52
  5. Step 5: Solve for x
    x = 10,226,006.52/3,201.45
  6. Step 6: Final answer
    x = 3,194.18

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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.