Home / 3,905.47-5,852.67-2,930.50

Finding the Fourth Proportional to 3,905.47, 5,852.67 and 2,930.50

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Solution

The fourth proportional to 3,905.47, 5,852.67 and 2,930.50 is: 4,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.47 : 5,852.67 = 2,930.50 : x
  2. Step 2: Convert to fraction form
    3,905.47/5,852.67 = 2,930.50/x
  3. Step 3: Cross multiply
    3,905.47x = 5,852.67 × 2,930.50
  4. Step 4: Simplify right side
    3,905.47x = 17,151,249.44
  5. Step 5: Solve for x
    x = 17,151,249.44/3,905.47
  6. Step 6: Final answer
    x = 4,391.60

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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.