Home / 3,145.41-4,711.08-2,446.70

Finding the Fourth Proportional to 3,145.41, 4,711.08 and 2,446.70

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Solution

The fourth proportional to 3,145.41, 4,711.08 and 2,446.70 is: 3,664.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.41 : 4,711.08 = 2,446.70 : x
  2. Step 2: Convert to fraction form
    3,145.41/4,711.08 = 2,446.70/x
  3. Step 3: Cross multiply
    3,145.41x = 4,711.08 × 2,446.70
  4. Step 4: Simplify right side
    3,145.41x = 11,526,575.88
  5. Step 5: Solve for x
    x = 11,526,575.88/3,145.41
  6. Step 6: Final answer
    x = 3,664.57

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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.