Home / 2,463.40-3,399.78-1,930.60

Finding the Fourth Proportional to 2,463.40, 3,399.78 and 1,930.60

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Solution

The fourth proportional to 2,463.40, 3,399.78 and 1,930.60 is: 2,664.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,463.40 : 3,399.78 = 1,930.60 : x
  2. Step 2: Convert to fraction form
    2,463.40/3,399.78 = 1,930.60/x
  3. Step 3: Cross multiply
    2,463.40x = 3,399.78 × 1,930.60
  4. Step 4: Simplify right side
    2,463.40x = 6,563,615.27
  5. Step 5: Solve for x
    x = 6,563,615.27/2,463.40
  6. Step 6: Final answer
    x = 2,664.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.