Home / 3,177.35-4,768.98-2,288.80

Finding the Fourth Proportional to 3,177.35, 4,768.98 and 2,288.80

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Solution

The fourth proportional to 3,177.35, 4,768.98 and 2,288.80 is: 3,435.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.35 : 4,768.98 = 2,288.80 : x
  2. Step 2: Convert to fraction form
    3,177.35/4,768.98 = 2,288.80/x
  3. Step 3: Cross multiply
    3,177.35x = 4,768.98 × 2,288.80
  4. Step 4: Simplify right side
    3,177.35x = 10,915,225.39
  5. Step 5: Solve for x
    x = 10,915,225.39/3,177.35
  6. Step 6: Final answer
    x = 3,435.32

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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.