Home / 2,104.44-3,151.18-1,125.75

Finding the Fourth Proportional to 2,104.44, 3,151.18 and 1,125.75

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Solution

The fourth proportional to 2,104.44, 3,151.18 and 1,125.75 is: 1,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.44 : 3,151.18 = 1,125.75 : x
  2. Step 2: Convert to fraction form
    2,104.44/3,151.18 = 1,125.75/x
  3. Step 3: Cross multiply
    2,104.44x = 3,151.18 × 1,125.75
  4. Step 4: Simplify right side
    2,104.44x = 3,547,440.89
  5. Step 5: Solve for x
    x = 3,547,440.89/2,104.44
  6. Step 6: Final answer
    x = 1,685.69

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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.