Home / 3,340.02-5,008.89-1,391.22

Finding the Fourth Proportional to 3,340.02, 5,008.89 and 1,391.22

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Solution

The fourth proportional to 3,340.02, 5,008.89 and 1,391.22 is: 2,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.02 : 5,008.89 = 1,391.22 : x
  2. Step 2: Convert to fraction form
    3,340.02/5,008.89 = 1,391.22/x
  3. Step 3: Cross multiply
    3,340.02x = 5,008.89 × 1,391.22
  4. Step 4: Simplify right side
    3,340.02x = 6,968,467.95
  5. Step 5: Solve for x
    x = 6,968,467.95/3,340.02
  6. Step 6: Final answer
    x = 2,086.36

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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.