Home / 3,182.22-4,392.63-2,394.90

Finding the Fourth Proportional to 3,182.22, 4,392.63 and 2,394.90

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Solution

The fourth proportional to 3,182.22, 4,392.63 and 2,394.90 is: 3,305.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.22 : 4,392.63 = 2,394.90 : x
  2. Step 2: Convert to fraction form
    3,182.22/4,392.63 = 2,394.90/x
  3. Step 3: Cross multiply
    3,182.22x = 4,392.63 × 2,394.90
  4. Step 4: Simplify right side
    3,182.22x = 10,519,909.59
  5. Step 5: Solve for x
    x = 10,519,909.59/3,182.22
  6. Step 6: Final answer
    x = 3,305.84

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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.