Home / 2,329.86-3,489.75-1,095.42

Finding the Fourth Proportional to 2,329.86, 3,489.75 and 1,095.42

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Solution

The fourth proportional to 2,329.86, 3,489.75 and 1,095.42 is: 1,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.86 : 3,489.75 = 1,095.42 : x
  2. Step 2: Convert to fraction form
    2,329.86/3,489.75 = 1,095.42/x
  3. Step 3: Cross multiply
    2,329.86x = 3,489.75 × 1,095.42
  4. Step 4: Simplify right side
    2,329.86x = 3,822,741.95
  5. Step 5: Solve for x
    x = 3,822,741.95/2,329.86
  6. Step 6: Final answer
    x = 1,640.76

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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.