Home / 2,909.14-4,379.69-2,564.44

Finding the Fourth Proportional to 2,909.14, 4,379.69 and 2,564.44

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Solution

The fourth proportional to 2,909.14, 4,379.69 and 2,564.44 is: 3,860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.14 : 4,379.69 = 2,564.44 : x
  2. Step 2: Convert to fraction form
    2,909.14/4,379.69 = 2,564.44/x
  3. Step 3: Cross multiply
    2,909.14x = 4,379.69 × 2,564.44
  4. Step 4: Simplify right side
    2,909.14x = 11,231,452.22
  5. Step 5: Solve for x
    x = 11,231,452.22/2,909.14
  6. Step 6: Final answer
    x = 3,860.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.