Home / 2,930.07-4,396.91-2,656.65

Finding the Fourth Proportional to 2,930.07, 4,396.91 and 2,656.65

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Solution

The fourth proportional to 2,930.07, 4,396.91 and 2,656.65 is: 3,986.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.07 : 4,396.91 = 2,656.65 : x
  2. Step 2: Convert to fraction form
    2,930.07/4,396.91 = 2,656.65/x
  3. Step 3: Cross multiply
    2,930.07x = 4,396.91 × 2,656.65
  4. Step 4: Simplify right side
    2,930.07x = 11,681,037.67
  5. Step 5: Solve for x
    x = 11,681,037.67/2,930.07
  6. Step 6: Final answer
    x = 3,986.61

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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.