Home / 2,257.10-3,382.14-1,085.84

Finding the Fourth Proportional to 2,257.10, 3,382.14 and 1,085.84

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Solution

The fourth proportional to 2,257.10, 3,382.14 and 1,085.84 is: 1,627.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.10 : 3,382.14 = 1,085.84 : x
  2. Step 2: Convert to fraction form
    2,257.10/3,382.14 = 1,085.84/x
  3. Step 3: Cross multiply
    2,257.10x = 3,382.14 × 1,085.84
  4. Step 4: Simplify right side
    2,257.10x = 3,672,462.90
  5. Step 5: Solve for x
    x = 3,672,462.90/2,257.10
  6. Step 6: Final answer
    x = 1,627.07

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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.