Home / 2,930.48-4,395.61-982.63

Finding the Fourth Proportional to 2,930.48, 4,395.61 and 982.63

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Solution

The fourth proportional to 2,930.48, 4,395.61 and 982.63 is: 1,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.48 : 4,395.61 = 982.63 : x
  2. Step 2: Convert to fraction form
    2,930.48/4,395.61 = 982.63/x
  3. Step 3: Cross multiply
    2,930.48x = 4,395.61 × 982.63
  4. Step 4: Simplify right side
    2,930.48x = 4,319,231.36
  5. Step 5: Solve for x
    x = 4,319,231.36/2,930.48
  6. Step 6: Final answer
    x = 1,473.90

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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.