Home / 2,177.74-3,002.46-1,778.97

Finding the Fourth Proportional to 2,177.74, 3,002.46 and 1,778.97

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Solution

The fourth proportional to 2,177.74, 3,002.46 and 1,778.97 is: 2,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.74 : 3,002.46 = 1,778.97 : x
  2. Step 2: Convert to fraction form
    2,177.74/3,002.46 = 1,778.97/x
  3. Step 3: Cross multiply
    2,177.74x = 3,002.46 × 1,778.97
  4. Step 4: Simplify right side
    2,177.74x = 5,341,286.27
  5. Step 5: Solve for x
    x = 5,341,286.27/2,177.74
  6. Step 6: Final answer
    x = 2,452.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.