Home / 3,149-4,723.09-1,068.92

Finding the Fourth Proportional to 3,149, 4,723.09 and 1,068.92

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Solution

The fourth proportional to 3,149, 4,723.09 and 1,068.92 is: 1,603.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149 : 4,723.09 = 1,068.92 : x
  2. Step 2: Convert to fraction form
    3,149/4,723.09 = 1,068.92/x
  3. Step 3: Cross multiply
    3,149x = 4,723.09 × 1,068.92
  4. Step 4: Simplify right side
    3,149x = 5,048,605.36
  5. Step 5: Solve for x
    x = 5,048,605.36/3,149
  6. Step 6: Final answer
    x = 1,603.24

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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.