Home / 2,930.86-4,396.06-1,175.79

Finding the Fourth Proportional to 2,930.86, 4,396.06 and 1,175.79

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Solution

The fourth proportional to 2,930.86, 4,396.06 and 1,175.79 is: 1,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.86 : 4,396.06 = 1,175.79 : x
  2. Step 2: Convert to fraction form
    2,930.86/4,396.06 = 1,175.79/x
  3. Step 3: Cross multiply
    2,930.86x = 4,396.06 × 1,175.79
  4. Step 4: Simplify right side
    2,930.86x = 5,168,840.45
  5. Step 5: Solve for x
    x = 5,168,840.45/2,930.86
  6. Step 6: Final answer
    x = 1,763.59

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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.