Home / 3,161.43-4,714.20-3,133.79

Finding the Fourth Proportional to 3,161.43, 4,714.20 and 3,133.79

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Solution

The fourth proportional to 3,161.43, 4,714.20 and 3,133.79 is: 4,672.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.43 : 4,714.20 = 3,133.79 : x
  2. Step 2: Convert to fraction form
    3,161.43/4,714.20 = 3,133.79/x
  3. Step 3: Cross multiply
    3,161.43x = 4,714.20 × 3,133.79
  4. Step 4: Simplify right side
    3,161.43x = 14,773,306.93
  5. Step 5: Solve for x
    x = 14,773,306.93/3,161.43
  6. Step 6: Final answer
    x = 4,672.98

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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.