Home / 3,149.09-4,723.80-1,069.16

Finding the Fourth Proportional to 3,149.09, 4,723.80 and 1,069.16

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Solution

The fourth proportional to 3,149.09, 4,723.80 and 1,069.16 is: 1,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.09 : 4,723.80 = 1,069.16 : x
  2. Step 2: Convert to fraction form
    3,149.09/4,723.80 = 1,069.16/x
  3. Step 3: Cross multiply
    3,149.09x = 4,723.80 × 1,069.16
  4. Step 4: Simplify right side
    3,149.09x = 5,050,498.01
  5. Step 5: Solve for x
    x = 5,050,498.01/3,149.09
  6. Step 6: Final answer
    x = 1,603.80

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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.