Home / 3,153.73-4,725.94-2,807.73

Finding the Fourth Proportional to 3,153.73, 4,725.94 and 2,807.73

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Solution

The fourth proportional to 3,153.73, 4,725.94 and 2,807.73 is: 4,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.73 : 4,725.94 = 2,807.73 : x
  2. Step 2: Convert to fraction form
    3,153.73/4,725.94 = 2,807.73/x
  3. Step 3: Cross multiply
    3,153.73x = 4,725.94 × 2,807.73
  4. Step 4: Simplify right side
    3,153.73x = 13,269,163.52
  5. Step 5: Solve for x
    x = 13,269,163.52/3,153.73
  6. Step 6: Final answer
    x = 4,207.45

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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.