Home / 2,578.37-3,549.11-2,246.21

Finding the Fourth Proportional to 2,578.37, 3,549.11 and 2,246.21

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Solution

The fourth proportional to 2,578.37, 3,549.11 and 2,246.21 is: 3,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.37 : 3,549.11 = 2,246.21 : x
  2. Step 2: Convert to fraction form
    2,578.37/3,549.11 = 2,246.21/x
  3. Step 3: Cross multiply
    2,578.37x = 3,549.11 × 2,246.21
  4. Step 4: Simplify right side
    2,578.37x = 7,972,046.37
  5. Step 5: Solve for x
    x = 7,972,046.37/2,578.37
  6. Step 6: Final answer
    x = 3,091.90

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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.