Home / 3,146.15-4,722.11-3,134.39

Finding the Fourth Proportional to 3,146.15, 4,722.11 and 3,134.39

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Solution

The fourth proportional to 3,146.15, 4,722.11 and 3,134.39 is: 4,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.15 : 4,722.11 = 3,134.39 : x
  2. Step 2: Convert to fraction form
    3,146.15/4,722.11 = 3,134.39/x
  3. Step 3: Cross multiply
    3,146.15x = 4,722.11 × 3,134.39
  4. Step 4: Simplify right side
    3,146.15x = 14,800,895.08
  5. Step 5: Solve for x
    x = 14,800,895.08/3,146.15
  6. Step 6: Final answer
    x = 4,704.45

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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.