Home / 2,273.74-3,137.54-1,390.44

Finding the Fourth Proportional to 2,273.74, 3,137.54 and 1,390.44

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Solution

The fourth proportional to 2,273.74, 3,137.54 and 1,390.44 is: 1,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273.74 : 3,137.54 = 1,390.44 : x
  2. Step 2: Convert to fraction form
    2,273.74/3,137.54 = 1,390.44/x
  3. Step 3: Cross multiply
    2,273.74x = 3,137.54 × 1,390.44
  4. Step 4: Simplify right side
    2,273.74x = 4,362,548.91
  5. Step 5: Solve for x
    x = 4,362,548.91/2,273.74
  6. Step 6: Final answer
    x = 1,918.67

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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.