Home / 3,779.69-5,216.09-2,287.88

Finding the Fourth Proportional to 3,779.69, 5,216.09 and 2,287.88

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Solution

The fourth proportional to 3,779.69, 5,216.09 and 2,287.88 is: 3,157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.69 : 5,216.09 = 2,287.88 : x
  2. Step 2: Convert to fraction form
    3,779.69/5,216.09 = 2,287.88/x
  3. Step 3: Cross multiply
    3,779.69x = 5,216.09 × 2,287.88
  4. Step 4: Simplify right side
    3,779.69x = 11,933,787.99
  5. Step 5: Solve for x
    x = 11,933,787.99/3,779.69
  6. Step 6: Final answer
    x = 3,157.35

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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.