Home / 2,930.88-4,393.26-982.56

Finding the Fourth Proportional to 2,930.88, 4,393.26 and 982.56

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Solution

The fourth proportional to 2,930.88, 4,393.26 and 982.56 is: 1,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.88 : 4,393.26 = 982.56 : x
  2. Step 2: Convert to fraction form
    2,930.88/4,393.26 = 982.56/x
  3. Step 3: Cross multiply
    2,930.88x = 4,393.26 × 982.56
  4. Step 4: Simplify right side
    2,930.88x = 4,316,641.55
  5. Step 5: Solve for x
    x = 4,316,641.55/2,930.88
  6. Step 6: Final answer
    x = 1,472.81

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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.