Home / 3,779.25-5,216.19-2,101.23

Finding the Fourth Proportional to 3,779.25, 5,216.19 and 2,101.23

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Solution

The fourth proportional to 3,779.25, 5,216.19 and 2,101.23 is: 2,900.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.25 : 5,216.19 = 2,101.23 : x
  2. Step 2: Convert to fraction form
    3,779.25/5,216.19 = 2,101.23/x
  3. Step 3: Cross multiply
    3,779.25x = 5,216.19 × 2,101.23
  4. Step 4: Simplify right side
    3,779.25x = 10,960,414.91
  5. Step 5: Solve for x
    x = 10,960,414.91/3,779.25
  6. Step 6: Final answer
    x = 2,900.16

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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.