Home / 2,083.44-3,125.24-1,205.40

Finding the Fourth Proportional to 2,083.44, 3,125.24 and 1,205.40

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Solution

The fourth proportional to 2,083.44, 3,125.24 and 1,205.40 is: 1,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.44 : 3,125.24 = 1,205.40 : x
  2. Step 2: Convert to fraction form
    2,083.44/3,125.24 = 1,205.40/x
  3. Step 3: Cross multiply
    2,083.44x = 3,125.24 × 1,205.40
  4. Step 4: Simplify right side
    2,083.44x = 3,767,164.30
  5. Step 5: Solve for x
    x = 3,767,164.30/2,083.44
  6. Step 6: Final answer
    x = 1,808.15

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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.