Home / 3,625.18-5,439.85-1,959.30

Finding the Fourth Proportional to 3,625.18, 5,439.85 and 1,959.30

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Solution

The fourth proportional to 3,625.18, 5,439.85 and 1,959.30 is: 2,940.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.18 : 5,439.85 = 1,959.30 : x
  2. Step 2: Convert to fraction form
    3,625.18/5,439.85 = 1,959.30/x
  3. Step 3: Cross multiply
    3,625.18x = 5,439.85 × 1,959.30
  4. Step 4: Simplify right side
    3,625.18x = 10,658,316.60
  5. Step 5: Solve for x
    x = 10,658,316.60/3,625.18
  6. Step 6: Final answer
    x = 2,940.08

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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.