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Finding the Fourth Proportional to 3,141.45, 4,712.12 and 950.19

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Solution

The fourth proportional to 3,141.45, 4,712.12 and 950.19 is: 1,425.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.45 : 4,712.12 = 950.19 : x
  2. Step 2: Convert to fraction form
    3,141.45/4,712.12 = 950.19/x
  3. Step 3: Cross multiply
    3,141.45x = 4,712.12 × 950.19
  4. Step 4: Simplify right side
    3,141.45x = 4,477,404.55
  5. Step 5: Solve for x
    x = 4,477,404.55/3,141.45
  6. Step 6: Final answer
    x = 1,425.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.