Home / 2,930.19-4,397.72-1,176.41

Finding the Fourth Proportional to 2,930.19, 4,397.72 and 1,176.41

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Solution

The fourth proportional to 2,930.19, 4,397.72 and 1,176.41 is: 1,765.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.19 : 4,397.72 = 1,176.41 : x
  2. Step 2: Convert to fraction form
    2,930.19/4,397.72 = 1,176.41/x
  3. Step 3: Cross multiply
    2,930.19x = 4,397.72 × 1,176.41
  4. Step 4: Simplify right side
    2,930.19x = 5,173,493.91
  5. Step 5: Solve for x
    x = 5,173,493.91/2,930.19
  6. Step 6: Final answer
    x = 1,765.58

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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.