Home / 3,072.47-4,601.75-2,518.90

Finding the Fourth Proportional to 3,072.47, 4,601.75 and 2,518.90

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Solution

The fourth proportional to 3,072.47, 4,601.75 and 2,518.90 is: 3,772.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.47 : 4,601.75 = 2,518.90 : x
  2. Step 2: Convert to fraction form
    3,072.47/4,601.75 = 2,518.90/x
  3. Step 3: Cross multiply
    3,072.47x = 4,601.75 × 2,518.90
  4. Step 4: Simplify right side
    3,072.47x = 11,591,323.98
  5. Step 5: Solve for x
    x = 11,591,323.98/3,072.47
  6. Step 6: Final answer
    x = 3,772.65

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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.