Home / 2,730.19-4,097.33-1,805.42

Finding the Fourth Proportional to 2,730.19, 4,097.33 and 1,805.42

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Solution

The fourth proportional to 2,730.19, 4,097.33 and 1,805.42 is: 2,709.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.19 : 4,097.33 = 1,805.42 : x
  2. Step 2: Convert to fraction form
    2,730.19/4,097.33 = 1,805.42/x
  3. Step 3: Cross multiply
    2,730.19x = 4,097.33 × 1,805.42
  4. Step 4: Simplify right side
    2,730.19x = 7,397,419.67
  5. Step 5: Solve for x
    x = 7,397,419.67/2,730.19
  6. Step 6: Final answer
    x = 2,709.49

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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.