Home / 2,177.41-3,003.58-1,379.27

Finding the Fourth Proportional to 2,177.41, 3,003.58 and 1,379.27

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Solution

The fourth proportional to 2,177.41, 3,003.58 and 1,379.27 is: 1,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.41 : 3,003.58 = 1,379.27 : x
  2. Step 2: Convert to fraction form
    2,177.41/3,003.58 = 1,379.27/x
  3. Step 3: Cross multiply
    2,177.41x = 3,003.58 × 1,379.27
  4. Step 4: Simplify right side
    2,177.41x = 4,142,747.79
  5. Step 5: Solve for x
    x = 4,142,747.79/2,177.41
  6. Step 6: Final answer
    x = 1,902.60

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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.