Home / 3,147-4,724.14-2,454.44

Finding the Fourth Proportional to 3,147, 4,724.14 and 2,454.44

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Solution

The fourth proportional to 3,147, 4,724.14 and 2,454.44 is: 3,684.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147 : 4,724.14 = 2,454.44 : x
  2. Step 2: Convert to fraction form
    3,147/4,724.14 = 2,454.44/x
  3. Step 3: Cross multiply
    3,147x = 4,724.14 × 2,454.44
  4. Step 4: Simplify right side
    3,147x = 11,595,118.18
  5. Step 5: Solve for x
    x = 11,595,118.18/3,147
  6. Step 6: Final answer
    x = 3,684.50

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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.