Home / 2,252.96-3,380.26-1,386.26

Finding the Fourth Proportional to 2,252.96, 3,380.26 and 1,386.26

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Solution

The fourth proportional to 2,252.96, 3,380.26 and 1,386.26 is: 2,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.96 : 3,380.26 = 1,386.26 : x
  2. Step 2: Convert to fraction form
    2,252.96/3,380.26 = 1,386.26/x
  3. Step 3: Cross multiply
    2,252.96x = 3,380.26 × 1,386.26
  4. Step 4: Simplify right side
    2,252.96x = 4,685,919.23
  5. Step 5: Solve for x
    x = 4,685,919.23/2,252.96
  6. Step 6: Final answer
    x = 2,079.89

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1.5x scale

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.