Home / 2,255.40-3,377.17-1,814.31

Finding the Fourth Proportional to 2,255.40, 3,377.17 and 1,814.31

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Solution

The fourth proportional to 2,255.40, 3,377.17 and 1,814.31 is: 2,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.40 : 3,377.17 = 1,814.31 : x
  2. Step 2: Convert to fraction form
    2,255.40/3,377.17 = 1,814.31/x
  3. Step 3: Cross multiply
    2,255.40x = 3,377.17 × 1,814.31
  4. Step 4: Simplify right side
    2,255.40x = 6,127,233.30
  5. Step 5: Solve for x
    x = 6,127,233.30/2,255.40
  6. Step 6: Final answer
    x = 2,716.69

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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.