Home / 2,930.55-4,395.84-1,176.36

Finding the Fourth Proportional to 2,930.55, 4,395.84 and 1,176.36

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Solution

The fourth proportional to 2,930.55, 4,395.84 and 1,176.36 is: 1,764.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.55 : 4,395.84 = 1,176.36 : x
  2. Step 2: Convert to fraction form
    2,930.55/4,395.84 = 1,176.36/x
  3. Step 3: Cross multiply
    2,930.55x = 4,395.84 × 1,176.36
  4. Step 4: Simplify right side
    2,930.55x = 5,171,069.45
  5. Step 5: Solve for x
    x = 5,171,069.45/2,930.55
  6. Step 6: Final answer
    x = 1,764.54

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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.