Home / 3,074.16-4,608.51-1,125.91

Finding the Fourth Proportional to 3,074.16, 4,608.51 and 1,125.91

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Solution

The fourth proportional to 3,074.16, 4,608.51 and 1,125.91 is: 1,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.16 : 4,608.51 = 1,125.91 : x
  2. Step 2: Convert to fraction form
    3,074.16/4,608.51 = 1,125.91/x
  3. Step 3: Cross multiply
    3,074.16x = 4,608.51 × 1,125.91
  4. Step 4: Simplify right side
    3,074.16x = 5,188,769.03
  5. Step 5: Solve for x
    x = 5,188,769.03/3,074.16
  6. Step 6: Final answer
    x = 1,687.86

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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.