Home / 3,619.44-4,989.57-2,569.68

Finding the Fourth Proportional to 3,619.44, 4,989.57 and 2,569.68

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Solution

The fourth proportional to 3,619.44, 4,989.57 and 2,569.68 is: 3,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.44 : 4,989.57 = 2,569.68 : x
  2. Step 2: Convert to fraction form
    3,619.44/4,989.57 = 2,569.68/x
  3. Step 3: Cross multiply
    3,619.44x = 4,989.57 × 2,569.68
  4. Step 4: Simplify right side
    3,619.44x = 12,821,598.24
  5. Step 5: Solve for x
    x = 12,821,598.24/3,619.44
  6. Step 6: Final answer
    x = 3,542.43

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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.