Home / 2,661.04-3,985.44-2,568.80

Finding the Fourth Proportional to 2,661.04, 3,985.44 and 2,568.80

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Solution

The fourth proportional to 2,661.04, 3,985.44 and 2,568.80 is: 3,847.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.04 : 3,985.44 = 2,568.80 : x
  2. Step 2: Convert to fraction form
    2,661.04/3,985.44 = 2,568.80/x
  3. Step 3: Cross multiply
    2,661.04x = 3,985.44 × 2,568.80
  4. Step 4: Simplify right side
    2,661.04x = 10,237,798.27
  5. Step 5: Solve for x
    x = 10,237,798.27/2,661.04
  6. Step 6: Final answer
    x = 3,847.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.