Home / 3,179.55-4,742.22-3,124.14

Finding the Fourth Proportional to 3,179.55, 4,742.22 and 3,124.14

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Solution

The fourth proportional to 3,179.55, 4,742.22 and 3,124.14 is: 4,659.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.55 : 4,742.22 = 3,124.14 : x
  2. Step 2: Convert to fraction form
    3,179.55/4,742.22 = 3,124.14/x
  3. Step 3: Cross multiply
    3,179.55x = 4,742.22 × 3,124.14
  4. Step 4: Simplify right side
    3,179.55x = 14,815,359.19
  5. Step 5: Solve for x
    x = 14,815,359.19/3,179.55
  6. Step 6: Final answer
    x = 4,659.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.