Home / 3,953.02-5,930.43-1,355.80

Finding the Fourth Proportional to 3,953.02, 5,930.43 and 1,355.80

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Solution

The fourth proportional to 3,953.02, 5,930.43 and 1,355.80 is: 2,034.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.02 : 5,930.43 = 1,355.80 : x
  2. Step 2: Convert to fraction form
    3,953.02/5,930.43 = 1,355.80/x
  3. Step 3: Cross multiply
    3,953.02x = 5,930.43 × 1,355.80
  4. Step 4: Simplify right side
    3,953.02x = 8,040,440.56
  5. Step 5: Solve for x
    x = 8,040,440.56/3,953.02
  6. Step 6: Final answer
    x = 2,034.00

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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.