Home / 1,863.25-2,570.79-1,199.56

Finding the Fourth Proportional to 1,863.25, 2,570.79 and 1,199.56

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Solution

The fourth proportional to 1,863.25, 2,570.79 and 1,199.56 is: 1,655.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.25 : 2,570.79 = 1,199.56 : x
  2. Step 2: Convert to fraction form
    1,863.25/2,570.79 = 1,199.56/x
  3. Step 3: Cross multiply
    1,863.25x = 2,570.79 × 1,199.56
  4. Step 4: Simplify right side
    1,863.25x = 3,083,813.00
  5. Step 5: Solve for x
    x = 3,083,813.00/1,863.25
  6. Step 6: Final answer
    x = 1,655.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.