Home / 3,578.16-4,938.20-2,086.24

Finding the Fourth Proportional to 3,578.16, 4,938.20 and 2,086.24

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Solution

The fourth proportional to 3,578.16, 4,938.20 and 2,086.24 is: 2,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.16 : 4,938.20 = 2,086.24 : x
  2. Step 2: Convert to fraction form
    3,578.16/4,938.20 = 2,086.24/x
  3. Step 3: Cross multiply
    3,578.16x = 4,938.20 × 2,086.24
  4. Step 4: Simplify right side
    3,578.16x = 10,302,270.37
  5. Step 5: Solve for x
    x = 10,302,270.37/3,578.16
  6. Step 6: Final answer
    x = 2,879.21

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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.