Home / 2,255.91-3,381.44-1,084.25

Finding the Fourth Proportional to 2,255.91, 3,381.44 and 1,084.25

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Solution

The fourth proportional to 2,255.91, 3,381.44 and 1,084.25 is: 1,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.91 : 3,381.44 = 1,084.25 : x
  2. Step 2: Convert to fraction form
    2,255.91/3,381.44 = 1,084.25/x
  3. Step 3: Cross multiply
    2,255.91x = 3,381.44 × 1,084.25
  4. Step 4: Simplify right side
    2,255.91x = 3,666,303.99
  5. Step 5: Solve for x
    x = 3,666,303.99/2,255.91
  6. Step 6: Final answer
    x = 1,625.20

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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.