Home / 3,184.60-4,392.66-2,438.68

Finding the Fourth Proportional to 3,184.60, 4,392.66 and 2,438.68

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Solution

The fourth proportional to 3,184.60, 4,392.66 and 2,438.68 is: 3,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.60 : 4,392.66 = 2,438.68 : x
  2. Step 2: Convert to fraction form
    3,184.60/4,392.66 = 2,438.68/x
  3. Step 3: Cross multiply
    3,184.60x = 4,392.66 × 2,438.68
  4. Step 4: Simplify right side
    3,184.60x = 10,712,292.09
  5. Step 5: Solve for x
    x = 10,712,292.09/3,184.60
  6. Step 6: Final answer
    x = 3,363.78

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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.