Home / 2,317.79-3,198.49-1,295.75

Finding the Fourth Proportional to 2,317.79, 3,198.49 and 1,295.75

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Solution

The fourth proportional to 2,317.79, 3,198.49 and 1,295.75 is: 1,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.79 : 3,198.49 = 1,295.75 : x
  2. Step 2: Convert to fraction form
    2,317.79/3,198.49 = 1,295.75/x
  3. Step 3: Cross multiply
    2,317.79x = 3,198.49 × 1,295.75
  4. Step 4: Simplify right side
    2,317.79x = 4,144,443.42
  5. Step 5: Solve for x
    x = 4,144,443.42/2,317.79
  6. Step 6: Final answer
    x = 1,788.10

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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.